Streusel-crunch spiced carrot cake muffins

Ingredients

• 2 tbsp all-purpose flour
• 1 tbsp packed dark brown sugar
• 1 1/2 tsp melted butter

Batter

• 1 3/4 cups all-pupose flour
• 1 1/2 tsp baking powder
• 1/2 tsp baking soda
• 1 1/2 tsp cinnamon
• 3/4 tsp ground ginger
• 1/4 tsp allspice
• 1/4 tsp salt
• 2 eggs
• 2/3 cup canola oil
• 1/2 cup buttermilk
• 1/2 cup granulated sugar
• 1/4 cup packed dark brown sugar
• 2 tsp vanilla
• 2 cups grated carrots
• 2 tbsp pepitas