Turnips Au Gratin Casserole
["4 c. pared, cubed turnips (1 1/2 lb.)", "1 1/2 tsp. salt, divided", "2 Tbsp. flour", "1 1/2 c. milk", "1/2 c. dry bread crumbs", "1 tsp. sugar", "4 Tbsp. butter, divided", "1/8 tsp. ground white pepper", "3/4 c. grated sharp Cheddar cheese"]
["In medium saucepan, bring 1-inch of water to boiling.", "Add turnips, sugar and 1/2 teaspoon salt.", "Cover and cook 12 minutes or until tender.", "Drain.", "Remove and set aside."]
["pared", "salt", "flour", "milk", "bread crumbs", "sugar", "butter", "ground white pepper", "Cheddar cheese"]