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Protein Labs · Experiment 007

Espresso Brownie Protein Overnight Oats

Deep cocoa-espresso oats hide a vanilla-yogurt layer, finished with raspberries and shaved dark chocolate.

2 breakfast jars15 min prep + at least 6 hr chilling
Espresso Brownie Protein Overnight Oats
The formula

Ingredients

Brownie oat layer

  • 1 cup (90 g) rolled oats
  • 1 cup (240 g) 1% milk
  • ½ cup (115 g) plain nonfat Greek yogurt
  • 2 tbsp (10 g) unsweetened cocoa powder
  • 1 tbsp (12 g) chia seeds
  • 2 tbsp (30 mL) cooled brewed espresso
  • 1 tbsp (21 g) maple syrup
  • ½ tsp (2 g) vanilla extract

Vanilla layer and topping

  • ¾ cup (170 g) plain nonfat Greek yogurt
  • ½ tsp (2 g) vanilla extract
  • ½ cup (60 g) raspberries
  • 10 g dark chocolate, finely shaved

Estimated nutrition per serving

425 calories · 27 g protein · 60 g carbs · 10 g fat

Approximate values calculated from generic ingredient weights and divided by the stated servings. Includes every listed topping, sauce, and cooking oil; brands, drained weights, and substitutions change the results. 2 breakfast jars.

Equipment

Two 400–500 mL lidded jars, mixing bowl

Allergens and ingredient notes: Milk; oats may contain gluten. Dark chocolate may contain soy or milk. Estimates use plain nonfat Greek yogurt, 1% milk, and the listed 10 g chocolate for the full batch.

The process

Step by step

  1. Whisk milk, the oat-layer yogurt, cocoa, cooled espresso, maple syrup, and the oat-layer vanilla until no dry cocoa remains. Stir in rolled oats and chia. Rest 10 minutes and stir again to distribute chia evenly.
  2. In a separate bowl, mix the topping yogurt with its own ½ tsp vanilla. Spoon half of the oat mixture between 2 clean jars, add half of the vanilla yogurt between them, then repeat the layers with the remaining oats and yogurt.
  3. Cover and refrigerate at least 6 hours, preferably overnight, until the oats soften and chia thickens the mixture. Keep at 40°F (4°C) or below.
  4. Before serving, divide raspberries and chocolate shavings over the jars. Eat one full jar per serving. If the oats are too thick, stir in a splash of water; additional milk changes the estimate.

The Devotti twist: Cocoa and espresso create a brownie-like flavor while the unsweetened vanilla-yogurt stripe gives contrast without protein powder.

Make ahead and storage

Refrigerate covered for up to 3 days. Keep toppings separate until serving for the best texture. This recipe contains caffeine; decaf espresso works in the same quantity.

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