Swiss Chard and Tomato Tart

Ingredients

• Pastry Shell
• Use your favorite pastry recipe (one crust) or buy pre-made.
• 1 pound Swiss chard (or chopped kale)
• 1 tsp fresh thyme or ¼ tsp dried
• 3 Tbsp unsalted butter
• 1 large garlic clove, minced
• Salt
• fresh ground pepper
• 2 ounces Gruyere cheese, cut into 1 ¼ x 3/8 x1/8 inch strips
• 2 Tbsp olive oil
• 1 med sized onion, halved and sliced
• ¼ cup Parmesan cheese
• 10 ounces ripe tomatoes, peeled, seeded and chopped