Here's another simple, basic side item recipe for you to enjoy. Just cook your green beans however you like. Some people like to blanch them in boiling salted water for about 5 minutes. Others may steam their green beans by placing them in a steam basket over a saucepan with about an inch of boiling water in it. Heck you can even microwave them! But I went with the sauteed method.
I started with half of a small pack of pre-rinsed and pre-cut green beans. We didn't need much because, as always, it was only for the two of us. You may need to rinse the green beans off yourself, and cut off the ends. I sauteed the green beans with olive oil and garlic for about 7-10 minutes (depending how crisp you like them). While they were sauteing in the skillet, I seasoned them with salt and pepper and stirred to coat evenly.
Meanwhile, in a separate skillet, I was sauteeing up those mushrooms and onions. First, I rinsed and sliced my mushrooms - enough to make about 1 cup. You can use more of course, that's just the amount I had. Then I thinly sliced an onion. I melted about 2 tablespoons of butter in that skillet and added the mushrooms and onions, seasoned them with salt, pepper, and garlic powder, and continued cooking until tender and caramelized.
If you don't want to have to clean another skillet, I'm sure you could saute everything in a single skillet if you have a large one. Or you could saute the mushrooms and onions first and then add the green beans later, or vice versa. I just wanted it to be quick so I cooked everything at once in two separate skillets.
Yep. It's that easy. No rocket science here.