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A photo of a blueberry muffin on a white plate with blue trim and a lemon and another muffin in the background.
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4.91 from 10 votes

Texas Size Blueberry Muffins

Texas Size Blueberry Muffins are giant muffins that are loaded with fresh blueberries, a lemon zest, and a delicious streusel topping.
Prep Time15 mins
Cook Time30 mins
Total Time45 mins
Course: Breakfast
Cuisine: American
Keyword: Blueberry, Blueberry Muffins
Servings: 6
Calories:
Author: Great Grub Delicious Treats

Ingredients

For the Muffins

  • 1 3/4 cups flour
  • 1/3 cup sugar
  • 2 tsp baking powder
  • 1/4 tsp salt
  • 1 egg
  • 3/4 cup buttermilk
  • 1/4 cup vegetable oil
  • 1 tsp vanilla
  • 2 tsp lemon zest
  • 1 cup blueberries

For the Streusel Topping

  • 1/4 cup sugar
  • 1 tbsp flour
  • 1/8 tsp cinnamon
  • 2 tbsp butter, room temperature

Instructions

For the Streusel Topping

  • Whisk sugar, flour, cinnamon, and butter together in a small mixing bowl. Set aside.

For the Muffins

  • Preheat oven to 400°
  • Prepare a jumbo muffin pan by lining it with jumbo muffin liners.
  • In a medium bowl, whisk flour, sugar, baking powder, and salt together.
  • Mix egg, buttermilk, oil, and vanilla extract together than add to dry ingredients, stir.
  • Add lemon zest and stir just until combined, the batter will be a bit lumpy.
  • Gently fold in blueberries and fill liners 2/3 full.
  • Top each muffin with streusel topping.
  • Bake for 30 minutes or until toothpick inserted comes out clean.