1. Sprinkle fish fillets with 1 teaspoon salt, the pepper, and some
paprika.
2. In a skillet, cook onion in butter till tender. Stir in flour; cook and
stir till brown. Gradually stir in the beer. Cook and stir till the mixture
bubbles.
3. Stir in the sugar and cloves. Add fish fillets to sauce. Cover and cook
for 10 to 15 minutes over low heat till fish flakes with a fork.
4. Remove fish to a platter. Stir lemon juice into sauce in the skillet.
Serve sauce over fish with rice, if desired.