Creamy Mushroom Sauce - cooking recipe

Ingredients

1 onion (finely chopped)
1 clove fresh garlic, mashed with a little salt (use back of knife to mash)
2 teaspoons butter
1 teaspoon olive oil
1 teaspoon tarragon leaves or 1 teaspoon coriander
200 g mushrooms, sliced
1 cup sour cream
1 teaspoon chicken stock powder or 1 teaspoon vegetable stock
1 tablespoon all-purpose flour, mixed to thin batter with water
salt
ground black pepper

Preparation

Heat Oil& Butter, fry off Onion& Garlic without colour, add Mushroom and herbs, cook until Mushrooms get soft (a few mins), add Sour Cream& Chicken Stock simmer for a few mins, if the mixture is thin add the water flour batter, correct the seasoning with salt& pepper.