Spiced Fresh Green Beans with Roasted Chestnuts

This may sound like a strange combination,
fresh green beans and fresh cooked chestnuts.
It tastes great, the flavor of the
chestnuts go well with the green beans.

Ingredients:
1 pound chestnuts
2 pounds green beans, trimmed
3 tablespoons butter
3/4 teaspoon salt or to taste
1/2 teaspoon ground mace

Directions:
Cut a cross in the flat side of each chestnut,
cutting through to inner skin. Bring pot of water to boil.
Cook chestnuts until tender, about 10 minutes. Drain,
cool and remove outer shell and skin while still warm.
Slice chestnuts in half and set aside.
Bring pot of salted water to a boil. Add beans.
Cover and cook until tender, 8 to 10 minutes.
In skillet over medium heat, melt butter.
Add onion; cook 10 minutes.
Stir in salt, mace, and chestnuts.
Cook 2 minutes. Add beans; heat through.