In Robot Coupe:
4 c diced red onion
1 cup chopped parsley leaves
3 cloves garlic
zest of 2 lemons
- process until minced scraping down the sides of the bowl often; set aside
In blender:
1 1/2 cups mushroom juice
1/2 cup salty butter
1/2 cup ketchup
2 tsp worcestershire sauce
1/4 tsp Tabasco
1 Tbsp English dry mustard
- process until smooth, remove and add minced ingredients from robot coupe.