Make this recipe a recipe that people in that category can eat. categories: ['vegetarian'], recipe: melt butter; blend in flour. add vinegar, beef broth, prepared horseradish mustard, and . brown sugar. cook slowly, stirring constantly, till thick. gradually add a little hot mixture to 1 slightly beaten egg yolk. return to hot mixture. bring sauce to boiling, stirring constantly. serve hot with corned beef or ham. makes 1 cup.

Target recipe: melt buter in large skillet over medium-high heat. add onions and cook, stirring until it begins to soften, 2-3 minutes. add garlic and cook until golden, about 3 minutes. add tomatoes, bay leaf and horseradish. stir, reduce heat to medium-low and cook until tomatoes are tender, about 20 minutes. add salt, cayenne and thyme. ladle into hot canning jars. seal and place in hot bath for 15-20 minutes.