Looking for snacks that start with O? This list is handy for alphabet food challenges, school activities, themed party platters, quiz nights, kids’ lunchbox ideas, or simply when you fancy trying something a bit different.

The letter O is better than it first looks. You have plenty of cheap and cheerful options, from oatcakes and oranges to olives, onion bhajis and oven chips. Some are healthy everyday snacks, others are more of a treat, and quite a few can be made at home for less than the shop-bought version.

Quick List of Snacks That Start With O

If you just need ideas fast, here are some popular snacks beginning with O:

• Oatcakes
• Oat bars
• Oat biscuits
• Overnight oats
• Orange segments
• Orange jelly
• Orange muffins
• Olives
• Onion rings
• Onion bhajis
• Onigiri
• Okonomiyaki bites
• Oven chips
• Oven-baked crisps
• Oreo biscuits
• Oat flapjacks
• Omelette strips
• Open sandwiches
• Orzo salad cups
• Oysters crackers

Best Savoury Snacks That Start With O

1. Oatcakes

Oatcakes are one of the best budget-friendly O snacks, especially in the UK where they are easy to find in most supermarkets. They are filling, sturdy and brilliant with both sweet and savoury toppings.

Try them with:

• Cheddar and pickle
• Soft cheese and cucumber
• Peanut butter and banana
• Hummus and grated carrot
• Egg mayo

Money-saving tip: own-brand oatcakes are usually much cheaper than premium versions and are ideal for packed lunches.

2. Olives

Olives are a simple snack beginning with O that work well on snack boards, picnic plates and picky teas. Green olives, black olives, stuffed olives and marinated olives all count.

To keep costs down, buy a jar rather than the deli counter tubs. You can make them feel more special by adding a little olive oil, lemon zest, dried oregano or chilli flakes at home.

3. Onion Rings

Onion rings are a classic savoury snack that starts with O. You can buy them frozen or make your own with sliced onions, batter or breadcrumbs, then bake or air fry them.

They are best served hot with ketchup, barbecue sauce, garlic mayo or a quick yoghurt dip. For a cheaper homemade version, use large brown onions, plain flour, breadcrumbs and basic seasoning.

4. Onion Bhajis

Onion bhajis are another excellent O snack, especially if you like spicy food. They are made with sliced onions, gram flour and spices, then fried or baked.

Mini onion bhajis are great for parties, buffets and lunchboxes. Serve with mango chutney, mint yoghurt or a squeeze of lemon. Supermarket versions can be convenient, but homemade bhajis are often cheaper if you already have spices in the cupboard.

5. Onigiri

Onigiri are Japanese rice balls, often shaped into triangles and wrapped with nori seaweed. They can be filled with tuna mayo, salmon, pickled vegetables, chicken, egg or leftover cooked ingredients.

They are a clever way to use leftover rice, but food safety matters. Cooked rice should be cooled quickly, stored in the fridge, and eaten within a day. Reheat thoroughly if serving hot, or keep chilled if eating cold.

6. Okonomiyaki Bites

Okonomiyaki is a Japanese savoury pancake made with cabbage, flour, egg and whatever extras you have. For snacks, make smaller bite-sized versions in a frying pan.

Budget fillings include shredded cabbage, spring onion, leftover cooked chicken, sweetcorn, grated carrot or chopped ham. Top with mayonnaise, brown sauce or a drizzle of soy sauce if you do not have traditional okonomiyaki sauce.

7. Omelette Strips

Omelette strips are cheap, high-protein and easy to make. Cook a thin omelette, let it cool slightly, then slice it into strips or squares.

They are good for toddlers, lunchboxes, snack plates and wraps. Add grated cheese, chopped spinach, peppers, ham or leftover cooked veg. Keep cooked egg snacks refrigerated and eat within a safe time frame, ideally the same day or the next day.

8. Open Sandwiches

Open sandwiches are simply sandwiches without the top slice of bread. They count as a snack that starts with O and are useful when you want something lighter or need to stretch a loaf.

Try toast or bread topped with:

• Cheese and tomato
• Tuna and cucumber
• Egg and cress
• Houmous and peppers
• Peanut butter and apple slices

9. Orzo Salad Cups

Orzo is small pasta shaped a bit like rice. Cooked orzo can be turned into little snack pots with cucumber, sweetcorn, peppers, feta, olives or leftover chicken.

This is a good one for using up bits from the fridge. Dress with a little oil and lemon juice, or use a spoonful of pesto. Store chilled and eat within a couple of days.

10. Oven Chips

Oven chips might sound more like a side dish, but a small portion makes a satisfying savoury snack beginning with O. Serve with beans, grated cheese, curry sauce or just salt and vinegar.

For a thriftier version, cut potatoes into wedges, toss with oil and seasoning, then bake until crisp. Leaving the skins on saves time and reduces waste.

Sweet Snacks That Start With O

11. Orange Segments

Orange segments are one of the easiest healthy snacks that start with O. They are naturally sweet, portable and usually affordable, particularly when bought in nets or bags.

For children, peel and separate the segments in advance to make them easier to eat. You can also pair oranges with yoghurt, dark chocolate, pancakes or porridge.

12. Orange Jelly

Orange jelly is a fun, low-cost snack for parties or themed alphabet food days. Make a packet jelly and pour it into small cups, or add tinned mandarins before chilling.

If you want to make it a bit more filling, serve with yoghurt, custard or a spoonful of squirty cream as an occasional treat.

13. Oat Bars

Oat bars are handy for lunchboxes, commuting and after-school snacks. Shop-bought bars can be convenient, but homemade versions often work out cheaper.

A basic homemade oat bar can be made with oats, mashed banana, a little honey or golden syrup, and optional raisins or chocolate chips. Bake until firm, cool, then cut into squares.

14. Oat Biscuits

Oat biscuits are simple, filling and excellent with a cup of tea. They can be plain, chocolate-dipped, spiced with cinnamon or packed with dried fruit.

They are also a good way to use up porridge oats sitting in the cupboard. If you bake at home, make a double batch and freeze some biscuits once cooled.

15. Oat Flapjacks

Flapjacks are a proper British snack, and oat flapjacks definitely belong on a list of snacks beginning with O. They are made with oats, butter or spread, sugar and golden syrup.

To make them cheaper, keep them plain or add just a small handful of extras such as raisins, seeds or chopped value chocolate. Cut into small squares as flapjacks can be quite rich.

16. Overnight Oats

Overnight oats are usually thought of as breakfast, but small pots make brilliant snacks. Mix oats with milk or yoghurt, leave in the fridge, then top with fruit, jam, seeds or peanut butter.

They are ideal for using up soft fruit, the last spoonful of yoghurt or a nearly empty jam jar. Make them in clean jars or lidded tubs and keep chilled.

17. Oreo Biscuits

Oreo biscuits are an obvious sweet snack that starts with O. They are easy to find, popular with children and handy for party tables.

For a cheaper option, look for supermarket own-brand cookies with a similar style. You can also use broken biscuits as a topping for yoghurt, ice cream or homemade cheesecake pots.

18. Orange Muffins

Orange muffins are a lovely homemade O snack. Use orange zest and juice to flavour a basic muffin mixture, then add chocolate chips if you have them.

They freeze well once cooled, so you can bake a batch and take one out whenever you need a quick snack. This is often cheaper than buying wrapped bakery snacks individually.

Crunchy Snacks Beginning With O

19. Oven-Baked Crisps

Oven-baked crisps are lighter-style crisps that begin with O. They come in flavours such as ready salted, cheese and onion, barbecue and sour cream.

If you are buying crisps for lunchboxes, multipacks often work out more controlled and convenient than large sharing bags, although it is still worth comparing the price per 100g.

20. Oyster Crackers

Oyster crackers are small, crisp crackers often served with soup or chowder. Despite the name, they do not usually contain oysters. They make a crunchy snack on their own or with dips.

If you cannot find oyster crackers easily in the UK, small soup crackers, mini savoury biscuits or broken cream crackers can do the same job for an alphabet snack board.

21. Oriental Snack Mix

Oriental snack mix is a savoury crunchy mix often containing rice crackers, peas, sesame sticks or spicy coated pieces. The wording on packets varies, but it is a common style of snack mix.

It can be salty, so serve smaller portions alongside cucumber sticks, carrot batons or fruit. Buying larger bags and portioning them into small tubs is usually cheaper than single-serve packs.

22. Okra Chips

Okra chips are made from sliced okra that has been baked, fried or dehydrated until crisp. They are not as common as potato crisps, but they are a good O snack if you spot them in world food shops or want to try making them at home.

Season with salt, paprika, garlic powder or curry powder. Fresh okra can sometimes be affordable in Asian grocers, depending on the season and area.

Snack Ideas Starting With O for Kids

For school, nursery or family snack plates, the best O foods are simple, not too messy and easy to portion.

Always check school rules, as many classrooms avoid nuts. For younger children, cut food into suitable sizes and avoid anything that could be a choking risk.

Cheap O Snacks to Make at Home

If you are trying to keep food costs down, these homemade snacks that start with O are particularly useful:

• Oat flapjacks: cheap store cupboard ingredients and easy to batch cook.
• Oatcakes with toppings: no cooking needed and very flexible.
• Onion bhajis: a good way to use a bag of onions.
• Omelette strips: quick, filling and ideal for using up eggs.
• Orange muffins: cheaper than buying individual cakes.
• Overnight oats: use basic oats, yoghurt and leftover fruit.
• Oven potato wedges: cheaper than many frozen snacks.

Easy O Snack Board Idea

A themed snack board is a fun way to serve alphabet foods. For an O-themed snack platter, mix savoury, sweet and fresh items so it feels balanced.

Try adding:

• Oatcakes with cheese
• Olives
• Orange wedges
• Onion rings
• Oat biscuits
• Omelette squares
• Oreo biscuits or own-brand sandwich cookies
• Orzo pasta salad

To keep it affordable, choose three or four items rather than buying everything. A snack board does not need to be fancy; it just needs a bit of variety.

More Snacks That Start With O

Need even more inspiration? Here are extra O snack ideas to add to your list:

• Olive bread slices
• Olive tapenade on toast
• Orange slices dipped in chocolate
• Orange sorbet
• Orange yoghurt
• Oat pancakes
• Oat milk smoothies
• Oat and raisin cookies
• Onion focaccia
• Onion dip with crackers
• Onion chutney with cheese and oatcakes
• Okra fries
• Orzo fritters
• Orecchiette pasta snack pots
• Open toasties
• Oven-baked samosas
• Oven-roasted chickpeas
• Oven-roasted nuts
• Oven-baked tortilla chips
• Orange and carrot sticks with dip

FAQs About Snacks That Start With O

What is a healthy snack that starts with O?

Orange segments, olives, oatcakes, omelette strips and overnight oats can all be healthy O snacks, depending on portion size and toppings. For a balanced snack, pair carbohydrates with protein or healthy fats, such as oatcakes with cheese or orange slices with yoghurt.

What sweet snacks start with O?

Sweet snacks that start with O include Oreo biscuits, oat biscuits, oat bars, orange muffins, orange jelly, orange sorbet, orange yoghurt, oat flapjacks and orange slices dipped in chocolate.

What savoury snacks start with O?

Savoury O snacks include oatcakes, olives, onion rings, onion bhajis, onigiri, okonomiyaki bites, omelette strips, orzo salad cups, oven chips and open sandwiches.

What O snacks are good for a party?

Good party snacks beginning with O include onion rings, mini onion bhajis, olives, oatcakes with cheese, Oreo biscuits, orange wedges, mini open sandwiches and small pots of orzo salad.

What is the cheapest snack beginning with O?

Oatcakes, homemade oat bars, orange segments, omelette strips and oven potato wedges are usually among the cheaper options. Prices vary by shop and season, so compare own-brand products and make use of leftovers where possible.

Can I use brand names for an alphabet food challenge?

Yes, if the rules allow it. Oreo biscuits are a popular example of a branded snack that starts with O. If you prefer generic foods, choose oats, oranges, olives or onion-based snacks instead.

Are there any O snacks for lunchboxes?

Yes. Oatcakes, orange segments, oat bars, oat biscuits, omelette strips and open sandwiches all work well in lunchboxes. Keep chilled foods cool with an ice pack, and check any school rules about nuts or allergens.