Home » Recipes » onion tart Suggestions? onion tart - Recipe Cost Cost information for the following is not included. Normally this is because the quantity or ingredient is unknown 3 tbsp oil of your choice and more for drizzling Salt & pepper Few sprigs thyme Flour for rolling dough Ingredients Per Serving Qty Common Price Price per Serving 2 tbsp butter 1 1/2 teaspoons $3.99 per 16 ounces $0.06 3 1/2 ounces/100 g bacon diced 7/8 oz $2.99 per pound $0.16 1lb/450 g onions thinly sliced 1/4 lb $0.79 per pound $0.20 1 tbsp honey 3/4 teaspoon $4.69 per 12 ounces $0.07 1 tbsp balsamic vinegar 3/4 teaspoon $6.59 per 17 fluid ounces $0.05 8 ounces/230 g puff pastry 2 oz $6.39 per 17 1/3 ounces $0.74 Total per Serving $1.28 Total Recipe $5.13 Please Log In or Sign Up to edit Recipe Cost info Email Recipe Cost Send To Message (if any) or Close