Home » Recipes » Bistro Style Onion Soup Suggestions? Bistro Style Onion Soup - Recipe Cost Cost information for the following is not included. Normally this is because the quantity or ingredient is unknown Salt Healthy pinch of thyme Healthy pinch of nutmeg Freshly grnd black pepper Ingredients Per Serving Qty Common Price Price per Serving 3 tbsp. butter 3/4 teaspoon $3.99 per 16 ounces $0.03 1 tbsp. oil 1/4 teaspoon $3.00 per 48 fluid ounces $0.00 4 med. large onions, halved and sliced 3/8 inch thick 1/3 onions $0.79 per pound $0.06 1 clove garlic, chopped 0.08 garlic cloves $4.00 per pound $0.00 1 tbsp. flour 1/4 teaspoon $2.99 per 5 pounds $0.00 4 c. beef broth 1/3 cup $1.29 per 14 1/2 ounces $0.25 1 c. water 1 tablespoon n/a 1 c. dry white wine 1 tablespoon $0.35 per fluid ounce $0.23 6 to 12 thin slices French bread, toasted 3/4 slices $0.19 per ounce $0.32 2 c. grated Swiss cheese 2 tablespoons $2.59 per 8 ounces $0.25 3 tbsp. grated Parmesan cheese 3/4 teaspoon $5.49 per 6 ounces $0.04 Total per Serving $1.20 Total Recipe $14.38 Please Log In or Sign Up to edit Recipe Cost info Email Recipe Cost Send To Message (if any) or Close