Breakfast

Blueberry Baked Oats with Whey

Name: Blueberry Baked Oats with Whey
Prep time: 8 min
Total time: 8 min
Yield: 1 serving
Ingredients: 45 g Rolled oats; 1 large, about 55 g Egg; 80 g, mashed Banana; 1 scoop, about 30 g Whey protein isolate; 60 ml Semi-skimmed milk; 80 g Blueberries; Half a teaspoon Baking powder; A pinch Salt

Oats, mashed banana, an egg and a scoop of whey baked in a small dish with blueberries until it rises like a cake. 40 g of protein for 508 kcal.

Calories: 508kcal
Protein: 40g
Fat: 10g
Carbs: 61g

Per serving, makes 1. 8 minutes of work, then 20 minutes in the oven. Published 8 September 2026.

Allergens

Gluten
Milk
Eggs

Oats count as a gluten cereal under UK labelling and ordinary oats are milled alongside wheat. Certified gluten-free oats are a separate ingredient here.
Most whey powders contain soya lecithin, which counts as soya. Check the tub.

Flags follow UK labelling rules and come from the ingredients as listed, not from any particular brand. Check the packet before cooking for somebody with an allergy.

Ingredients

Rolled oats45 g
Dry weight.
Egg1 large, about 55 g
Banana80 g, mashed
Peeled weight. A medium banana is about 100 g without the skin.
Whey protein isolate1 scoop, about 30 g
Values for an unflavoured or lightly flavoured isolate. A concentrate or a blend carries more fat and carbohydrate at the same scoop.
Semi-skimmed milk60 ml
Blueberries80 g
Baking powderHalf a teaspoon
SaltA pinch

Method

Heat the oven to 180°C. Mash the banana in a bowl and beat in the egg and the milk.
Stir in the oats, whey, baking powder, salt and most of the blueberries.
Scrape into a small ovenproof dish about 12 cm across, press the last blueberries into the top and bake for 20 minutes until risen and the top springs back.
Leave for five minutes before eating. It firms up as it cools.

Worth knowing

The whey is in the batter here rather than stirred in after, and baking it is fine. It makes the texture closer to cake than porridge, which is the point of baked oats.
A ramekin is too small. A 12 cm dish or a small loaf tin gives it room to rise without setting solid.

Other breakfast recipes that share ingredients with this one, or every breakfast between 450 and 600 calories a serving.

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Macros are calculated from the weights listed above using standard food composition values, and will shift with your own brands and measuring. Weigh what you can. This is a recipe, not dietary advice. The full health disclaimer is below.