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lemon blueberry muffins on a cooling rack
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5 from 8 votes

Blueberry Oatmeal Muffin Recipe

Lemon Blueberry Oatmeal Muffins are a sweet and tangy, and a delicious option for breakfast or a snack. This is the best ever oatmeal muffin recipe!
Prep Time10 minutes
Cook Time20 minutes
Total Time30 minutes
Course: Breakfast, Dessert
Cuisine: American
Keyword: healthy, lemon blueberry muffins, muffins
Servings: 12
Calories: 222kcal
Author: Jordan

Ingredients

Lemon Blueberry Glaze

Instructions

  • Preheat the oven to 375 F and line a muffin tin with muffin wrappers.
  • In a large mixing bowl, combine the oats and the buttermilk. Let them sit while you prep the other ingredients, or up to 30 minutes to soften the oats.
  • In another bowl, sift in the whole wheat flour, baking powder, baking soda, and salt.
  • Add the melted butter, brown sugar, egg, lemon juice, and zest, and vanilla extract to the oat mixture, stir until combined.
  • Add the flour mixture to the oat mixture and stir until just combined. Careful not to overmix them! Then fold in the blueberries.
  • Evenly divide the batter into a muffin tin. Bake for 15-20 minutes or until a toothpick comes out clean.
  • Place on a wire rack to cool, then drizzle with Lemon Blueberry Glaze.

Lemon Blueberry Glaze

  • Add the blueberries, lemon juice, vanilla extract, and buttermilk to a food processor or blender and mix on high until completely combined. Then transfer the mixture to a small mixing bowl using a strainer to catch any blueberry remains from the skin.*
  • Whisk in the powdered sugar until completely combined. You can add more sugar to make the glaze thicker or more buttermilk to thin it out.

Notes

  • If you don't have a food processor or blender, the blueberries can be muddled but make sure to mash them very well.
  • The glaze can be made without a strainer if you don't have one, but i recommended to catch the remains of the blueberry skin.

Nutrition

Calories: 222kcal | Carbohydrates: 32g | Protein: 4g | Fat: 9g | Saturated Fat: 6g | Cholesterol: 36mg | Sodium: 287mg | Potassium: 170mg | Fiber: 2g | Sugar: 19g | Vitamin A: 296IU | Vitamin C: 5mg | Calcium: 65mg | Iron: 1mg