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overhead shot of a vegan blueberry oat mug muffin with a spoon
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4.91 from 10 votes

Vegan Blueberry Oat Mug Muffin (GF, Oil-free)

Make a delectable vegan blueberry oat mug muffin in the microwave in 3 minutes, from start to finish! A healthy, filling breakfast, it is also oil-free and gluten-free.
Prep Time1 minute
Cook Time2 minutes
Total Time3 minutes
Course: Muffins
Cuisine: American
Keyword: bluebrry muffin, breakfast, dairy-free, easy, egg-free, fast, gluten-free, healthy, microwave, mug muffin, vegan
Servings: 1 large muffin
Author: Camilla

Ingredients

  • 1/3 cup oat flour (certified GF, as needed; see notes for making your own flour)
  • 1/2 teaspoon baking powder
  • pinch salt
  • 1/4 cup unsweetened applesauce
  • 1 tablespoon coconut sugar or sugar of choice
  • 1/4 teaspoon vanilla extract
  • large pinch of ground cinnamon
  • 1/4 cup blueberries

Instructions

  • Lightly grease or spray a 12-ounce capacity mug (or ramekin) with nonstick cooking spray.
  •  In the mug, stir together the oat flour, baking powder, salt, applesauce, coconut sugar, vanilla and cinnamon until blended. Stir in the blueberries.
  • Microwave on regular HIGH setting for 1 and 1/2 to 2 minutes (check at 1 minute 20) or until center is just set. Let cool slightly or entirely. Eat!

Notes

DIY Oat Flour: It is easy to make your own oat flour. Just place rolled oats (any variety) in a blender or high speed blender and process until the oats are a very fine flour. It is hard to make 1/3 cup at a time so instead process at least 2 cups rolled oats at a time to yield about 1 and 2/3 cups flour. Note that food processors do not grind oats into a fine flour.
Make in Conventional Oven: Use an oven-proof ramekin or mug. Preheat the oven to 375F (190C). Bake in the preheated oven for 13 to 15 minutes until golden brown, risen, and a toothpick inserted near the center comes out with only a few moist crumbs attached.
Make in an Air Fryer: Use an oven-proof ramekin or mug. Set the air fryer temperature to 360F (180C). Bake in the air fryer for 10 to 12 minutes until golden brown, risen, and a toothpick inserted near the center comes out with only a few moist crumbs attached.

Nutrition

Serving: 1large muffin | Calories: 197kcal | Carbohydrates: 43.2g | Protein: 3.7g | Fat: 2g | Sodium: 302mg | Fiber: 4.3g | Sugar: 22.7g