In a large mixing bowl, mix together 1 box Fudge Brownie Mix*, ½ cup vegetable oil, ½ cup coconut milk, 1 large egg, ¼ cup brewer's yeast, ¼ cup collagen peptides, 2 tablespoons ground flaxseed, 1 teaspoon vanilla extract, 1 cup chocolate chips*, and the 1 cup old fashioned oatmeal (whole or processed) until fully combined. Pour brownie batter into a 9x9-inch baking dish and bake according to package directions.