Lemon Blueberry Muffins

Bahan-bahan (14 porsi)

• streusel topping (see ingredients below)
• 1 1/2 cups blueberries, fresh or frozen
• 2 cups + 3 Tbsp. all-purpose flour, divided
• 1 1/2 tsp . baking powder
• 1/2 tsp . salt
• 1/2 cup (1 stick) unsalted butter, softened
• 1 cup granulated sugar
• 2 large eggs
• 2 tsp . vanilla extract
• 7 Tbsp . milk
• 1 Tbsp . lemon juice
• 1 Tbsp . loosely-packed lemon zest
• 2 Tbsp . melted butter, slightly cooled
• 2 Tbsp . all-purpose flour
• 2 Tbsp . granulated sugar
• 1/4 cup raw sugar