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Microwave Baked Oatmeal (3 Ways) Recipe

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4.2 from 32 reviews

This Microwave Baked Oatmeal recipe offers three tasty variations—classic, cinnamon-spiced, and chocolate—to enjoy a quick, protein-packed breakfast that cooks in just minutes. Using rolled oats, pea protein isolate, and simple pantry ingredients, it combines convenience with nutrition for a wholesome start to your day.

  • Total Time: 5 minutes
  • Yield: 1 serving

Ingredients

Classic Microwave Baked Oatmeal

  • 1/3 cup rolled oats (large flake or quick)
  • 2 tbsp pea protein isolate powder (or additional rolled oats)
  • 1/4 cup water (or milk of choice)
  • 1 large egg
  • 1 tbsp maple syrup (plus additional to taste)
  • 1/2 tsp vanilla extract
  • 1/2 tsp baking powder
  • 1/8 tsp fine sea salt

Cinnamon Microwave Baked Oatmeal

  • 1/3 cup rolled oats (large flake or quick)
  • 2 tbsp pea protein isolate powder (or additional rolled oats)
  • 1/4 cup water (or milk of choice)
  • 1 large egg
  • 1 tbsp maple syrup (plus additional to taste)
  • 3/4 tsp ground cinnamon
  • 1/2 tsp baking powder
  • 1/8 tsp fine sea salt

Chocolate Microwave Baked Oatmeal

  • 1/3 cup rolled oats (large flake or quick)
  • 2 tbsp pea protein isolate powder (or additional rolled oats)
  • 1 tbsp cocoa powder
  • 1/4 cup water (or milk of choice)
  • 1 large egg
  • 1 and 1/2 tbsp maple syrup
  • 1/2 tsp baking powder
  • 1/8 tsp fine sea salt

Instructions

  1. Prepare your ramekin or mug: Lightly grease a 10-12 oz microwave-safe ramekin or mug to prevent sticking and ensure easy removal of the baked oatmeal.
  2. Combine ingredients: For a smooth texture, add all ingredients to a high-powered blender and blend on high for 30-60 seconds until smooth. For a more textured oatmeal, simply add all ingredients to a bowl and mix thoroughly until well combined.
  3. Pour batter and add mix-ins: Transfer the batter into the prepared ramekin. Stir in any additional mix-ins like nuts, seeds, or fruit if desired.
  4. Microwave bake: Microwave on high for 1½ to 2 minutes. Start checking around 1½ minutes to ensure the center is set and slightly springy to touch. The oatmeal may puff up during cooking but will settle as it cools.
  5. Set before serving: Let the oatmeal sit for 5 minutes after microwaving to firm up and improve texture.
  6. Enjoy: Serve warm, optionally topped with extra maple syrup, fresh fruit, or nut butter for enhanced flavor.

Notes

  • You can substitute water with any milk of choice such as almond, soy, or cow’s milk to adjust creaminess.
  • Maple syrup can be adjusted or replaced with honey or a sugar-free sweetener depending on preference.
  • For vegan option, replace egg with flax egg (1 tbsp ground flaxseed + 3 tbsp water, set 5 min).
  • Protein powder is optional but helps boost the protein content of the oatmeal.
  • Microwave wattages vary; adjust cooking time accordingly to avoid overcooking.
  • Author: Madelynn
  • Prep Time: 3 minutes
  • Cook Time: 2 minutes
  • Category: Breakfast
  • Method: Microwaving
  • Cuisine: American
  • Diet: Gluten Free