New England Style Clam Chowder (serves 6)

2 Tbs. bacon grease	saute 1 min.	saute 1 min.	stir in	simmer covered 20 min.	heat through without boiling	season to taste
1/2 cup (80 g) chopped onion
1 lb. (450 g) russet potatoes	peel and dice
1 Tbs. (8 g) all-purpose flour
1 cup (235 mL) clam juice
1 cup (235 mL) whole milk
1 cup (235 mL) heavy cream
2 10-oz. (283 g) cans whole clams
Salt and pepper