Yes, you can prepare Chocolate Banana Rolls ahead of time, making them an excellent option for parties or gatherings. If you want to enjoy the rolls fresh out of the oven, you can prepare them up to the point before baking. Once you’ve assembled and cut the rolls, simply cover them with plastic wrap and refrigerate them for up to 24 hours. When you're ready to bake, simply brush them with the egg yolk and bake as directed. For those looking to prepare them even further in advance, you can freeze the rolls at the same stage. Just ensure they're not touching to prevent sticking. When ready to enjoy, bake them directly from the freezer, allowing a few additional minutes of baking time. This way, you can have homemade Chocolate Banana Rolls ready to impress your guests at a moment's notice!