Birthday Cake Baked Oats (Single Serving, 35g Protein)

These birthday cake baked oats taste like funfetti cake batter — single-serving, 35 grams of protein, ready in 30 minutes. The viral baked oats trend made for actual breakfast.

Birthday cake baked oats are blended oats baked into a cake-textured single serving with almond extract, sprinkles, and protein powder, topped with a yogurt “icing” and more sprinkles. One serving has 35 grams of protein, takes 30 minutes start to finish, and tastes like funfetti cake batter in baked oatmeal form.

I made my version of this when the baked oats trend was just blowing up in 2022, and after testing it more times than I care to admit, the recipe nailed two things most others miss: real cake-batter flavor (thank you, almond extract — not vanilla) and actually meaningful protein (most versions clock in at 14-20 grams; this one hits 35). It tastes like dessert, eats like breakfast, and keeps you full until lunch.

Why You’ll Love These Birthday Cake Baked Oats

• 35 grams of protein per serving — significantly higher than any competitor recipe
• Single serving — designed for one ramekin, no leftovers to manage
• 30 minutes start to finish — 5 minutes to blend, 25 minutes to bake
• Naturally gluten-free — with certified GF oats
• Tastes like funfetti cake batter — almond extract is the secret

Ingredients You’ll Need

(Exact measurements are in the recipe card below. These are notes only.)

For the baked oats:

• Gluten-free rolled oats — old-fashioned or quick oats both work. Steel-cut won’t blend smooth enough for cake-batter texture.
• Ripe banana — the sweeter the banana, the sweeter the oats. Use fully-ripe with brown spots for max sweetness.
• Egg — provides structure and that cake-like rise. For vegan, swap with a flax egg (1 tbsp ground flax + 3 tbsp water, sit 5 min).
• Baking powder — non-negotiable for the rise. Without it, you get dense oatmeal, not cake.
• Cashew butter — rich and creamy. Almond butter or peanut butter both work but change the flavor profile. Cashew butter is the most “cake-batter-y” option.
• Almond extract — THIS is what makes it taste like birthday cake. Vanilla works but loses the cake-batter signature. Almond extract is in every birthday cake-flavored thing for a reason.
• Almond milk — any milk works. Dairy or oat milk adds richness; almond is the most neutral.
• Vanilla or cake pop protein powder — does the protein heavy lifting. I use PEScience Cake Pop (code BAILEY for a discount) when it’s available, otherwise Gourmet Vanilla.
• Rainbow sprinkles — the whole point. Use natural-color sprinkles if you want to skip artificial dyes; they melt slightly less.

For the icing:

• Plain Greek yogurt — adds creaminess and more protein. Coconut yogurt works for dairy-free.
• Sweetener of choice — powdered sugar gives the classic thick icing look. Maple syrup or honey for a thinner drizzle. Skip entirely if your yogurt is sweetened.
• More sprinkles — obviously.

How to Make Birthday Cake Baked Oats

1. Preheat the oven to 350°F (175°C) and grease one 8-ounce ramekin or oven-safe dish.
2. Blend the oats into flour. Add gluten-free oats to a blender and blend on high until they look like fine flour.
3. Add everything else. Add banana, egg, baking powder, cashew butter, almond extract, almond milk, and protein powder to the blender. Blend until smooth, about 30 seconds. Scrape the sides if needed.
4. Fold in sprinkles by hand. Don’t blend them in or they’ll dissolve and dye your batter pink. Stir in with a spoon at the end.
5. Pour and bake. Pour the batter into the greased ramekin. Bake for 25-30 minutes, until the top is set and a toothpick inserted off-center comes out clean.
6. Make the icing while it bakes. Whisk Greek yogurt with your sweetener of choice until smooth.
7. Cool 5 minutes, then top. Let the baked oats cool just enough that the icing doesn’t melt instantly. Spoon icing on top, scatter more sprinkles, eat warm.

Tips for the Best Birthday Cake Baked Oats

• Use almond extract, not vanilla. This is the #1 rule. Vanilla makes vanilla oats. Almond extract makes BIRTHDAY CAKE oats. Almost every store-bought funfetti / birthday cake product uses almond extract — it’s the signature flavor.
• Check your oven temperature. If your baked oats come out dry, your oven likely runs hot. Drop the temperature to 340°F and bake for 30 minutes. (Shoutout to commenter Devon for this fix — it works.)
• Use a ripe banana. The riper the banana, the sweeter the oats. Brown-spotted bananas are ideal.
• Don’t blend the sprinkles. Fold them in by hand at the end or they’ll dissolve and turn your batter a sad gray-pink color.
• Toothpick test off-center. The center may stay slightly wet from the banana — test at the edge for true doneness.
• Cake pop protein powder is the move if you can get it. PEScience Cake Pop is genuinely amazing for this. Vanilla works year-round, but Cake Pop pushes the cake-batter flavor over the top.
• Wait 5 minutes before icing. Hot baked oats + cold icing = melted slurry. A few minutes of cooling and the icing stays thick and pretty.

Storage and Reheating

These birthday cake baked oats keep for 3-4 days in an airtight container in the fridge. Store the icing separately if making ahead — it firms up cold but stays usable.

To reheat: Microwave for 30-45 seconds with a splash of milk, OR put in a 350°F oven for 10-15 minutes covered with foil.

To freeze: Let cool completely, wrap individually in foil, and freeze for up to 3 months. Thaw in the fridge overnight, then reheat.

FAQs

Why almond extract instead of vanilla for birthday cake baked oats? Almond extract is the secret behind birthday cake / funfetti flavor. Most commercial funfetti products use almond extract — it’s what gives that distinct “cake batter” taste. Vanilla works as a substitute but the oats will taste more vanilla and less birthday cake.

How much protein is in birthday cake baked oats? This recipe has 35 grams of protein per serving — significantly higher than most birthday cake baked oats recipes (typical range: 14-20g). The protein comes from a scoop of protein powder, one egg, Greek yogurt icing, and the oats themselves.

Can you make birthday cake baked oats without protein powder? Yes, but the macros change significantly — you’ll drop from 35g protein to around 14g. Add an extra 2 tablespoons of oats and a full banana to maintain texture.

Why are my baked oats dry? Two reasons: your oven runs hot, or you over-baked. Drop the temperature to 340°F and bake for 30 minutes, OR keep it at 350°F but reduce to 22 minutes and check with a toothpick. Different ovens vary by 20-30°F at the same set temperature.

Can you make these in the microwave? Yes. Blend everything, pour into a wide cereal bowl (wider than tall to prevent overflow), and microwave in 1-minute increments until set — usually 2-3 minutes total.

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4.70 from 13 votes

Birthday Cake Baked Oats (Single Serving, 35g Protein)

These birthday cake baked oats taste like funfetti cake batter — single-serving, 35 grams of protein, ready in 30 minutes. The viral baked oats trend made for actual breakfast.

Prep Time15 minutes mins

Cook Time25 minutes mins

Total Time40 minutes mins

Course: Baked Oats

Cuisine: American

Servings: 1

Calories: 489kcal

Author: Bailey Campbell

Cook ModePrevent your screen from going to sleep

Ingredients 

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FOR OATS

• ½ cup certified gluten free oats
• ½ banana
• 1 egg
• 1 tsp baking powder
• 1 tbsp cashew butter
• ½ tsp almond extract
• ½ cup unsweetened almond milk
• ½ scoop protein powder I used PEScience Cake Pop – use code BAILEY at checkout for $$ off their products
• sprinkles

FOR ICING

• ⅓ cup plain greek yogurt
• sweetener of choice I used powdered sugar, but honey also works well
• sprinkles

Instructions

• Preheat oven to 350F.
• Mix oats in blender on high till fine flour forms. Then add remaining ingredients (except for sprinkles) and blend again until fully combined. Mix in sprinkles by hand.
• Bake for 25-30 minutes.
• Mix together ingredients for icing, and once removed from oven top with icing and sprinkles. Inhale!

Nutrition

Serving: 1serving | Calories: 489kcal | Carbohydrates: 50g | Protein: 35g | Fat: 17g | Saturated Fat: 4g | Polyunsaturated Fat: 4g | Monounsaturated Fat: 8g | Trans Fat: 0.02g | Cholesterol: 168mg | Sodium: 678mg | Potassium: 606mg | Fiber: 6g | Sugar: 11g | Vitamin A: 279IU | Vitamin C: 5mg | Calcium: 515mg | Iron: 4mg

The nutrition information provided is calculated based on industry-standard software and should be used as a general guide only. The information may vary depending on ingredient substitutions, cooking techniques, and individual serving sizes. It is the responsibility of the reader to ensure the accuracy and appropriateness of the nutritional information provided. Always consult a qualified healthcare provider for personalized medical or nutritional advice.

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More High Protein Baked Oats Recipes

• Biscoff Baked Oats
• Carrot Cake Baked Oats
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• Apple Pie Baked Oatmeal
• Cookie Dough Baked Oats
• Strawberry Protein Baked Oats

If you make these birthday cake baked oats, please leave a star rating and a comment below — I read every single one. Share your bowl on Instagram or Pinterest and tag @basicswithbails or #basicswithbails so I can come find you.