Home » Recipes » Artichoke Hearts & Pearl Onion in Mustard Horseradish Bechamel Sauce Suggestions? Artichoke Hearts & Pearl Onion in Mustard Horseradish Bechamel Sauce - Recipe Cost Cost information for the following is not included. Normally this is because the quantity or ingredient is unknown Kosher salt/white pepper to taste. Ingredients Per Serving Qty Common Price Price per Serving 24 oz frozen artichoke hearts, quatered 4 oz $3.99 per 13 3/4 ounces $1.16 12 oz frozen pearl onions 2 oz $0.79 per pound $0.10 Sauce: 1/6 sauce n/a 1 Tbs flour 1/2 teaspoon $2.99 per 5 pounds $0.00 1 Tbs Ghee 1/2 teaspoon n/a 1 1/2 cup whole milk 1/4 cup $3.49 per gallon $0.05 2 heaping Tbs Dijon mustard 1 teaspoon $2.69 per 8 ounces $0.06 1 Tbs creamy Horseradish (use more if you want to kick it up) 1/2 teaspoon $1.99 per 4 ounces $0.04 Total per Serving $1.42 Total Recipe $8.51 Please Log In or Sign Up to edit Recipe Cost info Email Recipe Cost Send To Message (if any) or Close