Monster Oatmeal Chocolate Chip Cookie Bars Monday, June 15, 2020 JUMP TO RECIPE (CLICK HERE) These one bowl homemade oatmeal cookie bars with chocolate chips and Reese's Pieces are the perfect way to use up any leftover Halloween candy. They're super easy, festive for both Halloween and…More Share this post Related PostsCookies noisettes, noix, chocolatSoft and Chewy Ginger Molasses CookiesThe Best Soft Chocolate Chip CookiesCookies au chocolat moelleux et parfaitsCookies au beurre de cacahuètesHealthy Granola Cookie Dough BarsLemon MeltawaysIce Cream Pop Cookies