Caramelized Onion and Tomato Calzone

You can also add some chopped mushrooms to the filling.

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You can also add some chopped mushrooms to the filling.



  • 2 tsp. olive oil
  • 8 medium onions, thinly sliced
  • Pinch sugar
  • 1 Tbs. chopped fresh basil
  • 1/2 lb. prepared pizza dough
  • 3 plum tomatoes, diced
  • 3/4 cup shredded part-skim mozzarella cheese
  • 2 Tbs. grated Parmesan cheese


1. In large nonstick skillet, heat oil over medium heat. Add onions, sugar and 1/4 cup water, and. cook, stirring frequently, until just beginning to color, about 12 minutes. Add 1/4 tsp. salt and 1/4 cup water, and cook, stirring frequently, until onions are sweet and deep brown, 30 minutes. Cool. Stir in basil and 1/4 tsp. freshly ground pepper.

2. Preheat oven to 450°F. Spray heavy baking sheet with cooking spray. Sprinkle work surface with a little flour. Place dough in center, and roll to coat with flour. Knead dough briefly. Divide dough into fourths, and roll each into a 6-inch round. Place 2 rounds on baking sheet. Evenly divide onion mixture, tomatoes and cheese between 2 rounds. Cover each with remaining 2 rounds. Pinch edges to seal. Brush tops lightly with water. Bake until golden, 15 to 18 minutes. Cool slightly before serving.

Nutrition Information

  • Calories 384
  • Carbohydrate Content 52 g
  • Cholesterol Content 27 mg
  • Fat Content 11 g
  • Fiber Content 5 g
  • Protein Content 20 g
  • Saturated Fat Content 5 g
  • Sodium Content 571 mg
  • Sugar Content 0 g