Oatmeal Monster Cookie

Ingredients

• Cookies:
• 1 cup creamy peanut butter
• 1/2 cup softened butter (1 stick)
• 1 cup brown sugar (lightly packed)
• 1/2 cup granulated sugar
• 1 egg
• 2 teaspoons vanilla
• 1 1/2 cups old fashioned oats
• 1/2 cup all-purpose flour
• 1 teaspoon salt
• 1 teaspoon baking soda
• 1/2 teaspoon cinnamon
• 1 1/2 cups M&Ms
• Creme Filling:
• 2 egg whites
• 1 tablespoon light corn syrup
• 1 teaspoon vanilla extract
• Rainbow nonpareil sprinkles