1Preheat oven to 350 degrees F (175 degrees C). Grease a 2 quart casserole dish.
2Melt 2 tablespoons butter in a large skillet over medium heat. Saute mushrooms until tender, about 8 to 10 minutes.
3Meanwhile, place spinach in a large pot. Wilt over medium heat; drain, squeezing or pressing out excess water. Place in prepared baking dish and top with salt, 4 tablespoons melted butter, onion and 1/2 of the cheese. Layer mushrooms on top and sprinkle with remaining cheese.
4Bake in preheated oven for 20 minutes.
Ingredients
6 servings
257 cals
2 tablespoons butter
1 pound fresh mushrooms, sliced
2 (10 ounce) packages fresh spinach, rinsed and stems removed