Preparation / Directions:
Preheat oven to 400 degrees. Grease 1 1/2 quart casserole. In medium bowl combine biscuit mix, dill weed and celery seed. Cut in butter until mixture resembles a fine meal. Stir in onion. Combine egg and milk; add to biscuit mix. Stir just until ingredients are moistened. Turn into casserole. About 1" from edge of casserole, cut through batter with a knife making a circle.
Bake at 400 degrees for 30 to 35 minutes until toothpick inserted in center comes out clean.
Brush immediately with Topping. Cool 10 minutes; remove from casserole.
TOPPING: 2 Tbsp. sweet cream butter, melted 1 Tbsp. grated Parmesan cheese