s'mores jumbo muffins

Ingredients For s'mores jumbo muffins

• 1 1/2 c

  all purpose flour
• 1/2 c

  graham crackers, crushed
• 1/4 c

  brown sugar
• 1 tsp

  baking soda
• 1/2 tsp

  salt
• 1

  egg
• 1 1/2 c

  buttermilk
• 1/4 c

  canola oil
• 3/4 c

  semisweet chocolate chips
• 1 1/4 c

  miniture marshmallows, divided