Apparently mustard sauce is a favourite with corned beef here. I'd never had it before, but it's quite nice. You can make it as mild or punchy as you like. And I appreciate the use of the corned beef cooking water in the sauce.

Mustard Sauce

Slightly adapted from NZ Women's Weekly

Ingredients

• 40g butter
• 2 Tbsp. flour
• 150mL milk
• 1 c. corned beef cooking water
• 1-2 Tbsp. grainy or Roman mustard
• 1 Tbsp. chopped fresh parsley (optional)

Directions

1. Melt the butter over medium heat.
2. Add the flour and cook, stirring, for 1-2 minutes.
3. Mix in the milk, followed by the cooking water, and cook until thickened.
4. Stir in the mustard and parsley (if using).
5. Serve over corned beef and veggies.