Yes, you can make overnight oats with various types of grains, including quinoa and Kamut. While rolled oats are the most common base for overnight oats, you can experiment with other whole grains like steel-cut oats, farro, or bulgur to change up the flavor and texture. Quinoa overnight oats, in particular, add a nutty flavor and boost of protein, making them an excellent option for those looking for a more substantial breakfast. Kamut, an ancient grain high in fiber and nutrients, can be used to make a delicious and filling overnight oat dish. When substituting grains, keep in mind that cooking times may vary, so adjust the liquid ratio accordingly. For example, quinoa requires less liquid than rolled oats, while Kamut might need more. Be patient and enjoy exploring new grain combinations!