Home » Recipes » Lobster Thermidor Suggestions? Lobster Thermidor - Recipe Cost Cost information for the following is not included. Normally this is because the quantity or ingredient is unknown 5 lg. lobster tails, frzn 5 whole black peppercorns Ingredients Per Recipe Qty Common Price Price per Recipe 1 sm. onion, sliced 1 onion $0.79 per pound $0.12 1 tbsp. salt 1 tbsp $2.91 per 16 ounces $0.12 1 bay leaf 1 bay leaf $3.59 per 2 ounces $4.22 2 tbsp. celery 2 tbsp $1.99 per pound $0.07 Total Recipe $4.52 Please Log In or Sign Up to edit Recipe Cost info Email Recipe Cost Send To Message (if any) or Close