Steak Kabobs with Peanut Sauce

1-2 lbs. top sirloin

1 14 oz. can coconut milk

4 tablespoons sugar , divided

1 teaspoon salt

2 tablespoons curry powder

1 teaspoon ground coriander seed

skewers

Peanut Sauce:

3 tablespoons peanut butter

2 teaspoons fish sauce

1 teaspoon Thai red curry paste

1 teaspoon tamarind paste, optional

1. Cut meat into equal cubes about 1-inch thick.
2. In a big bowl combine 1/2 can coconut milk, salt, 1 tablespoon sugar, curry powder, and ground coriander (grind in a mortar and pestle if necessary.) Stir until blended. Marinate meat in above concoction for 2-3 hours. Remove and put on skewers. Grill skewers for 2 minutes per side or until done.
3. For the peanut sauce: in a small pan, combine remaining 1/2 can coconut milk, 3 tablespoons sugar, peanut butter, fish sauce, Thai red curry paste and tamarind paste (optional).
4. Heat over medium heat until combined and peanut butter is dissolved. Serve over kabobs.