Allspice Crumb Muffins

INGREDIENTS

• :
• ½ cup all-purpose flour
• ½ cup light brown sugar
• ½ teaspoon ground allspice
• 5 Tablespoons cold unsalted butter, cut into bits
• 2 cups all-purpose flour
• ½ cup granulated sugar
• 1 Tablespoon baking powder
• ¼ teaspoon salt
• ¼ cup light brown sugar
• 1 stick (8 Tablespoons) unsalted butter, melted and cooled
• 2 large eggs
• ¾ cup whole milk
• ¼ teaspoon vanilla extract