Recipes and Cooking Ultimate Triple Onion Tart 4.3 (13) 1 Reviews This savory tart recipe is an ideal addition to brunch, a dinner party, or a holiday feast. Leeks, shallots, and vidalias give this Triple-Onion Tart its fitting name. By BHG Test Kitchen BHG Test Kitchen The Better Homes & Gardens Test Kitchen has been in continuous operation for nearly 100 years, developing and testing practical, reliable recipes that readers can enjoy at home. The Test Kitchen team includes culinary specialists, food stylists, registered and licensed nutritionists, and other experts with Bachelor of Science degrees in food science, food and nutrition, or culinary arts. Together, the team tests more than 2,500 recipes, produces more than 2,500 food images, and creates more than 1,000 food videos each year in the state-of-the-art test kitchen. Learn about BHG's Editorial Process Published on March 1, 2007 Print Share Share Tweet Pin Email Prep Time: 30 mins Bake Time: 40 mins Cool Time: 15 mins Total Time: 85 mins Servings: 16 Jump to Nutrition Facts Ingredients 1 rolled refrigerated unbaked piecrust ¼ cup butter 1 Vidalia onion (or other sweet onion), halved and thinly sliced 1 large leek, halved lengthwise and thinly sliced 2 shallots, thinly sliced 1 teaspoon sugar ½ teaspoon ground nutmeg ½ teaspoon ground black pepper 1 3 ounce package cream cheese, cubed and softened ¾ cup shredded Swiss cheese ¾ cup shredded Monterey Jack cheese with jalapeño peppers 3 eggs, lightly beaten ⅔ cup whipping cream Directions Preheat oven to 375 degrees F. Let piecrust stand according to package directions. In a 12-inch skillet heat butter over medium heat; add onion, leek, shallots, sugar, nutmeg, pepper, and 34 teaspoon salt. Cook about 8 minutes or until tender but not browned, stirring occasionally. Reduce heat. Stir in cream cheese until melted. Stir in Swiss and Monterey Jack cheeses until combined. In a large bowl combine eggs and cream. Gradually stir in onion mixture until combined. Ease piecrust into 9-inch pie plate; pour onion mixture into piecrust. Fold edge of crust over filling, pleating as necessary. Bake, uncovered, about 40 minutes or until crust and top are golden brown and a knife inserted near center comes out clean. Cool on a wire rack for 15 to 20 minutes. Cut in 16 wedges. Serve warm. Makes 16 appetizer servings. Print Nutrition Facts (per serving) 203 Calories 16g Fat 10g Carbs 5g Protein Show Full Nutrition Label Hide Full Nutrition Label Nutrition Facts Servings Per Recipe 16 Calories 203 % Daily Value * Total Fat 16g 21% Saturated Fat 9g 45% Cholesterol 79mg 26% Sodium 256mg 11% Total Carbohydrate 10g 4% Total Sugars 2g Protein 5g Vitamin C 1.8mg 9% Calcium 101mg 8% Iron 0.4mg 2% Potassium 73mg 2% Folate, total 12.1mcg Vitamin B-12 0.4mcg Vitamin B-6 0.1mg *The % Daily Value (DV) tells you how much a nutrient in a food serving contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.