Blackberry Muffins | Texas Co-op Power

Ingredients

• 2 1/2 cups flour
• 1 cup sugar
• 1 tablespoon baking powder
• 1/2 teaspoon baking soda
• 1/2 teaspoon salt
• 1/2 teaspoon cinnamon
• 2 eggs
• 1 cup sour cream
• 1/2 cup (1 stick) butter, melted and cooled
• 1 teaspoon vanilla extract
• 1 teaspoon milk
• 1 1/2 cups (5–6 ounces) blackberries, fresh or frozen