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Green Bean Casserole from Scratch

Green Bean Casserole made with a from-scratch mushroom cream sauce.

Ingredients

1/2 stick of butter
1/2 cup of all-purpose flour
2 12 ounce cans of evaporated milk or 3 cups of whole milk
2 teaspoons tarragon
2 teaspoons powdered chicken flavoring
1/4 teaspoon salt
A few dashed of black pepper
3 14 ounce cans of sliced or french cut green beans (whichever you prefer)
1 1/2 cups diced yellow onion
1/2 pound of diced bacon
2 cups fresh, sliced baby Portabella mushrooms
1 3.5 ounce package of crispy onions

Instructions

Preheat your oven to 375 degrees.

Drain the liquid from the cans of green beans. Then, place the green beans in a 9×9 baking pan.

In a medium skillet, cook the diced bacon. When the bacon is cooked, place it on a plate with a paper towel to absorb the grease and set it aside. Put the bacon drippings in the skillet into a bowl, then add about a tablespoon of butter.

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Next, saute the diced onions and sliced mushrooms in the butter until tender. Then place them in the pan with the green beans. Pat the excess grease off the bacon with a paper towel and place it in the pan with the green beans, onions, and mushrooms.

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Making the Sauce

In a large saucepan, melt the rest of the butter over medium heat. When it’s melted, slowly whisk in a little flour and milk to make a roux. Whisk it until it thickens. Then continue alternately adding flour and milk while whisking continually to prevent lumps. Mixture with thicken as it cooks.

When the last of the milk is added, whisk in the tarragon, chicken flavor, salt, and pepper. Continue to cook until the sauce sticks a little to a spoon.

The video shows you exactly how to make the sauce for this dish.

Now, pour the sauce over the green beans and other good things in the baking pan. Mix it up well. Bake the Green Bean Casserole for 15-20 minutes until it’s all bubbly.

Next, remove the casserole from the oven and top it with the crispy onions. Place it back in the hot oven for about a minute – just long enough to heat the onions.

When the crispy onions are slightly toasted, your Green Bean Casserole is ready to serve.

Keywords: Green Bean Casserole, green beans, Portabella mushrooms, mushroom soup, tarragon