Jumbo Lump Crab Au Gratin

Ingredients (16)

• 1/2 cup unsalted butter
• 1 medium onion
• 1 celery rib
• 2 tbsp green onions
• 1 cloves garlic
• 2 large egg yolks
• 1 12 oz. can evaporated milk
• 2 tbsp all-purpose flour
• Juice of one lemon
• 1 tsp hot sauce
• 1 tsp Kosher salt
• 1/2 tsp cayenne pepper
• 1/2 tsp freshly ground black pepper
• 1/2 cup Gruyere cheese
• 1/2 cup Fontina cheese
• 1 lb lump crab meat