Creamy Mushroom Sauce - cooking recipe

Ingredients

150 g white mushrooms, sliced thinly (about 10)
1 small onion, chopped
1 tablespoon oil
3 tablespoons butter
1/4 cup flour
2 cups water
1 cup heavy cream
1 vegetable bouillon cube, Knorr
salt, to taste
pepper

Preparation

In a large skillet heat oil and cook onion on medium heat until transparent. Add sliced mushrooms, salt and pepper and cook until soft about 4 minutes. Set a side.
In a medium saucepan melt butter add flour and cook until start to change in color. Add water, heavy cream and whisk well to prevent lumps.
Add vegetable cube bujon and bring it to the boil.
Add mushrooms.
Reduce heat and let it simmer for 10 minutes. Stirring occasionally.
Season with salt and pepper if need it.
You can also use milk instead heavy cream and water.