Spooky Monster Mash Halloween Cheesecake Bars Recipe - My Homemade Recipe

Ingredients

• 1 package (15.25 oz) chocolate cake mix.
• 1/2 cup unsalted butter, melted.
• 1 large egg.
• 2 packages (8 oz each) cream cheese, softened.
• 1 cup granulated sugar.
• 2 large eggs.
• 1 teaspoon vanilla extract.
• 1/2 cup sour cream.
• 1/2 cup Halloween-colored M&M's.
• 1/2 cup chocolate chips.
• Halloween sprinkles for decoration.