Ingredients
300 grams or 10 oz mushrooms
1 medium-sized onion
4 cloves garlic
1 tablespoon Dijon mustard
5 tablespoons olive oil
1 tablespoon white wine vinegar
salt
black pepper
3 sprigs fresh thyme or 1 teaspoon dried thyme
optional: 2 tablespoons of chopped chives, to serve
rye bread, crackers or Russian pancakes to serve
Preparation
