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Pumpkin Zucchini Muffins with Streusel

These Pumpkin Zucchini Muffins feature the marriage of the best summer and fall veggies! With pronounced pumpkin flavor, an assist from zucchini, a balanced mix of autumn-y spices, and a heap of buttery, brown sugar streusel! A batch of Pumpkin Zucchini Muffins is a new fall must-have.
Course Bread
Keyword pumpkin muffins, pumpkin zucchini muffins, zucchini muffins, zucchini pumpkin muffins
Prep Time 40 minutes
Cook Time 22 minutes
Total Time 1 hour 2 minutes
Servings 18 muffins
Author Sarah

Ingredients

For Pumpkin Zucchini Muffins:

  • 3 large eggs
  • 2 cups granulated sugar
  • 1 cup butter melted
  • 2 cups grated zucchini about 2 medium
  • 1 cup canned pumpkin puree
  • 2 tsp. vanilla extract
  • 3 cups all-purpose flour
  • 1 tsp. baking soda
  • 1/2 tsp. baking powder
  • 1/2 tsp. salt
  • 1 1/2 tsp. cinnamon
  • 1/2 tsp. pumpkin pie spice
  • 1/4 tsp. nutmeg
  • 1/4 tsp. ground clove

For Streusel:

  • 1/2 cup all-purpose flour
  • 1/2 cup packed brown sugar
  • 1 1/2 tsp. cinnamon
  • 4 - 5 tbsp. butter melted

Instructions

For Pumpkin Zucchini Muffins:

  • In a large bowl, whisk together eggs, sugar, butter, zucchini, pumpkin, and vanilla.
  • In a medium bowl, whisk together flour, baking soda, baking powder, salt, cinnamon, pumpkin pie spice, nutmeg, and cloves.
  • Add the dry ingredients to the wet ingredients, and stir until just combined. Do not overmix - a few lumps are okay.
  • Line 18 regular-sized muffin cups with paper liners.
  • Fill muffin cups 2/3 full.

For Streusel:

  • In a small bowl, combine flour, brown sugar, and cinnamon.
  • Add 4 tbsp. melted butter, cutting it in with a fork or knife until crumbly. If needed, add an additional tablespoon of butter, stirring until mixture resembles mostly pea-sized crumbs. It was easiest to use my fingers to stir and crumble the mixture! By contrast, if you find the streusel is too buttery, you can add a tablespoon or two of flour. Streusel is like frosting in that it can have a mind of its own each time you make it! It needs adjusted as you go sometimes. It also helps to let the streusel sit for a minute or two and the butter will firm up -- this allows easier pebble formation.
  • Evenly sprinkle roughly a tablespoon of streusel over the muffins.
  • Bake at 350 degrees for about 20 minutes, or until edges and streusel are golden and a toothpick inserted near the centers comes out clean. Depending on the type of pan you use, baking time can vary. I also recommend rotating pans about halfway through baking!
  • Remove to a wire rack to cool.