Step 1

Preheat oven to 350*F.

Step 2

Microwave green beans according to the package directions.

Step 3

Lightly grease a medium-sized skillet

Step 4

and heat over medium heat. Cook mushrooms

Step 5

onion

Step 6

and garlic until tender

Step 7

approximately 5 to 7 minutes. Combine mushroom mixture with the green beans in a small bowl. Toss vegetables in sauce mixture until it is well combined.

Step 8

Spread into a lightly-greased baking dish

Step 9

top with parmesan cheese

Step 10

and bake until topping is golden brown

Step 11

approximately 30 to 35 minutes.