Individual Zucchini and Cheddar Frittatas

Name: Individual Zucchini and Cheddar Frittatas
Ingredients: Flavorless vegetable oil spray; 2 tablespoons olive oil; 1½ medium zucchini, shredded on the large holes of a box grater; 2 shallots, thinly sliced; ¾ teaspoon salt; Freshly ground pepper; 7 large eggs; 2/3 cup half-and-half; ½ cup shredded white Cheddar cheese; ½ teaspoon chopped fresh thyme leaves