*Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
**Nutrient information is not available for all ingredients. Amount is based on available nutrient data.
(-)Information is not currently available for this nutrient. If you are following a medically restrictive diet, please consult your doctor or registered dietitian before preparing this recipe for personal consumption.
Heat olive oil in a nonstick skillet over medium heat; cook and stir shallot and garlic in the hot oil until softened, about 5 minutes. Add zucchini; cook, stirring occasionally, until tender, about 5 minutes.
Whisk egg whites, salt, and thyme together in a small bowl; mix into zucchini mixture.
Cook, undisturbed, over low heat until frittata is set, about 2 minutes. Flip frittata and cook for 1 more minute. Season with salt and pepper.