Ricotta-Filled Tortellini with Tomatoes, Mushrooms and Onions with a Marinara Sauce. 7 g Fat. 360 Calories. Eat Well: Eating fat does not necessarily make you fat. Research shows that it doesn't matter whether calories come from fat or carbohydrate, you'll gain weight only when you eat more calories than you burn. But remember each gram of at has twice as many calories as a gram of carbohydrate or protein. Live Well: Serving size is the basis for nutrition facts on food labels. Here are some ways to estimate serving size: 1 Thumb = 1 oz of cheese, 1 Fist = 1 cup of cereal, 1 Deck of Cards = 3 oz or meat, fish or poultry. Secrets from the Healthy Choice Kitchen: Ricotta-filled tortellini, button mushrooms, sweet onions and diced tomatoes are drenched in a rich and tangy sauce made with garlic, olive oil and basil for an Italian feast without all the fat. Take time to delight in the wonderful aroma. - The Healthy Choice Nutrition and Culinary Team. Diet Exchanges per Serving: 1 Lean Meat, 3-1/2 Starch, 1 Vegetable. (Diet Exchanges are based on Exchange Lists for Meal Planning, Copyright 1995 by the American Diabetes Assoc., Inc. and the American Dietetic Assoc.) Weight Watchers (per Serving): Points = 7.