Easy Skillet Vegetable Lasagna

tablespoon olive oil

small yellow onion, diced

small red bell pepper, seeds removed and diced

small zucchini, diced

sliced mushrooms

garlic cloves, minced

dried basil

dried oregano

crushed red pepper flakes

uncooked lasagna noodles

jar pasta sauce or homemade marinara sauce

diced tomatoes, undrained

Kosher salt and black pepper,

 cup ricotta cheese

ounces fresh mozzarella, thinly sliced

freshly grated Parmesan cheese

chopped fresh basil, for garnish