March 1, 2026

Blueberry Muffins

Blueberry Streusel Muffins

Toronto cookbook writer Rose Reisman posted this Starbucks blueberry muffin "copycat" recipe on Instagram. She uses oil in her crumble topping, I use butter (it tastes better.) Baked muffins can be frozen in airtight bags up to 3 months. Thawing frozen blueberries can discolour the batter so if you want to use frozen blueberries without defrosting them, check out the recipe that follows this one.
  • 1 cup white granulated sugar
  • 1/2 cup vegetable oil
  • 2 large eggs
  • 1 cup sour cream or plain yogurt
  • 2 tsp. pure vanilla extract
  • 1-3/4 cups all-purpose flour
  • 1 tsp baking soda
  • 1/8 tsp salt
  • 1-1/2 cups fresh (washed and drained) or frozen (defrosted and drained) blueberries
  • 2 tsp flour
Streusel Topping:
  • 2/3 cup flour
  • 1/2 cup white granulated sugar
  • 4 Tbsp melted butter
  1. Mix together: 1 cup sugar, 1/2 cup oil, 2 eggs, 1 cup sour cream or yogurt.
  2. Add 2 tsp. vanilla, 1-3/4 cups flour, 1 tsp baking soda and mix until flour is blended in.
  3. Toss 2 tsp flour with 1-1/2 cups drained blueberries. Gently fold berries into batter.
  4. In separate small bowl mix streusel ingredients: 2/3 cup flour, 1/2 cup sugar, 4 Tbsp butter.
  5. Spray 12 muffin cups with vegetable oil spray.
  6. Scoop muffin batter into muffin cups, then top each with streusel mixture.
  7. Bake in preheated 425 degree F oven for 8 minutes.
  8. Reduce heat to 375 degrees F and bake another 10 minutes or until tester comes out clean.

Berry Muffins with Frozen Berries

Makes 1 dozen muffins. This recipe is easily doubled.
Use frozen blueberries or other berries like raspberries or cranberries.
Sugar can be reduced by as much as half.  You could also use 1/2 cup brown and 1/2 cup white sugar in the batter instead of 1 cup white sugar. Brown or white sugar can be used for the topping.
If using fresh berries, reduce the baking time.
  • 2 cups all-purpose flour
  • 2 tsp. baking powder
  • 1/4 tsp. salt
  • 1/2  cup softened butter
  • 1 cups white granulated sugar
  • 2 large eggs at room temperature
  • 1/2 cup 2% or whole milk
  • 1 tsp. vanilla extract
  • 1 cup frozen unsweetened blueberries, unthawed
  • Topping: 1 Tbsp sugar + 1/4 tsp. ground nutmeg or cinnamon
1. In a separate bowl, combine 2 cups flour, 2 tsp baking powder, 1/4 tsp salt.
2. Using a large bowl and electric mixer, cream 1/2 cup butter, 1 cup sugar until butter lightens in colour.
3. To butter mixture, add 2 eggs, 1/2 cup milk, 1 tsp. vanilla. Mix well.
4. By hand (to avoid over-mixing) stir in flour mixture just until moistened.
5. Fold in frozen blueberries.
6. Fill 12 greased or paper-lined muffin cups 2/3 full of batter.
7. Combine sugar and nutmeg or cinnamon and sprinkle over muffins.
8. Bake in preheated 375 degree oven until a toothpick comes out clean, about 20-25 minutes.
9. Let muffins cool in pan for ten minutes before removing to a wire rack.