cloves minced fresh garlic
Combine wine, onion and garlic.
Lower heat and simmer 5 minutes.
Pour mixture into bowl and cool.
Strain wine mixture into dry mustard in a small saucepan, beating until very smooth.
Add remaining ingredients.
Heat slowly, stirring constantly until mixture thickens.
Cool and pour into a non-metal container and cover.
Chill at least 2 days to blend flavors.