This Easy Cookie Dough Overnight Oats recipe is perfect for meal prep and makes a high-protein breakfast. Enjoy the creamy, dessert-like flavor without the guilt while easily adapting it into a vegan cookie dough overnight oats recipe or a gluten-free cookie dough overnight oats guide by swapping ingredients. Whether you're new to Overnight Oats Recipe or love Chocolate Chip Overnight Oats, this make-ahead breakfast is both delicious and nutrient-packed.