Summer Vegetable Tart

Name: Summer Vegetable Tart
Ingredients: 1 refrigerated pie crust; 0.5 c. tomato puree; 2 cloves garlic, thinly sliced; 2 zucchini, thinly sliced crosswise; 2 yellow squash, thinly sliced crosswise; 4 tomatoes, thinly sliced; 2 small eggplants, thinly sliced crosswise; 1 tsp. thyme leaves, chopped; 0.25 c. grated Parmesan; 1 egg; 1 tbsp. heavy cream