S'mores Donuts - Sprinkles & Sea Salt

Ingredients

• 1/4 cup butter
• 1/2 cup Speculoos
• 1/3 cup packed brown sugar
• 2 eggs
• 1/2 cup sour cream
• 1 cup white flour
• 1/4 tsp sea salt
• 1/8 tsp nutmeg
• 1/2 tsp baking powder
• 2 tbsp butter
• 1 cup mini marshmallows
• 1 tbsp water
• 1 cup powdered sugar
• 1 tsp vanilla
• 2 tbsp mini chocolate chips
• 1 sheet of graham cracker, crushed up