Everyone gets an individual portion with this vegetarian, Tex-Mex mini casserole. A normal-size casserole like this would take close to an hour to bake--these are ready in half the time. Heatproof ramekins are a cook's best friend--we use them all the time to hold ingredients while cooking. You can buy them at most grocery stores. Download a FREE Weekly Dinner Meal Plan of 5 Perfectly Portioned Recipes!