01 -
Preheat your oven to 375°F (190°C).
02 -
In a large skillet, sauté the mushrooms until they are golden brown and tender.
03 -
Spread each tortilla with a layer of mozzarella and cheddar cheese. Top with the sautéed mushrooms and spinach.
04 -
Fold the tortillas in half, creating a half-moon shape. Place them on a baking sheet.
05 -
If desired, lightly brush the tops of the quesadillas with olive oil.
06 -
Bake in the preheated oven for 10-12 minutes, or until the cheese is melted and bubbly, and the tortillas are golden brown.
07 -
Serve immediately with your favorite salsa, sour cream, or guacamole.