Transform Samosas into a Delicious Vegan Casserole Bake

Create a detailed recipe for a vegan casserole inspired by samosas, using fillings like potatoes, peas, carrots, and spices, layered with vegan pastry or bread, baked to crispy perfection. Include step-by-step instructions, ingredients list with placeholders like [VEGAN_POTATOES], [SPICES], and [VEGAN_CHEESE], and baking tips.