surprise blueberry muffins

Ingredients For surprise blueberry muffins

• 1 3/4 c

  all purpose flour
• 1 1/2 tsp

  baking powder
• 1/2 tsp

  salt
• 3/4 c

  sugar
• 1/3 c

  oil
• 1

  egg
• 3/4 c

  milk
• 1 c

  blueberries, fresh or frozen
• FOR THE FILLING:
• 4 oz

  cream cheese
• 3 1/2 Tbsp

  powdered sugar
• FOR THE TOPPING:
• 1/4 c

  flour
• 1/4 c

  sugar
• 1/4 tsp

  cinnamon
• 2 Tbsp

  butter