1 tablespoon olive oil
1 onion (diced)
2 cups enchilada sauce (or one large can)
1 can black beans (rinsed and drained)
2 cups refried beans (low-sodium if canned, or see note for Lisa's recipe)
10 corn tortillas (or wheat)
1 can green chiles (diced)
3 cloves garlic (crushed)
1 jalapeño (diced (check for spiciness; jalapeños vary considerably))
1 cup mushrooms (quartered)
1 bunch spinach ((frozen or canned works too))
1 cup corn
1 cup potatoes (sliced into 1/4″ rounds and then parboiled for 3-5 minutes)
1 cup cheese (shredded)
1 avocado (sliced)