Help me make Tostadas (Vegan or Vegetarian)

first time i've ever bought these. suggest how to do toppings

i have:

• refried beans
• other beans (black, red, pinto) that i can cook
• salsa
• hot sauce
• guacamole (i am a millennial after all)
• one of those garden salad kits, lettuce onion etc

non-vegan (vegetarian) ingredients ::: spoiler spoiler sweet cheddar, white cheddar, sour cream

:::

should i make a flat taco? multiple layers? bake it? i dunno