Step 1

Preheat the oven to 400°F. Heat oil in a 9-inch ovenproof non-stick skillet over medium-high.

Step 2

Add onion, and cook, stirring occasionally, until softened, about 5 minutes. Add zucchini, and cook, stirring often, until zucchini is tender and brown in spots, 8 to 10 minutes.

Step 3

Whisk together the eggs, cream, salt, and pepper.

Step 4

Pour over vegetables in skillet, and cook, stirring gently, until eggs begin to set about 1 minute.

Step 5

Sprinkle cheese and half the dill over the frittata

Step 6

Transfer the skillet to the preheated oven, and bake until the edges are set but the center is still slightly loose, 5 to 6 minutes.

Step 7

Increase oven temperature to broil until the center is set and the top is lightly browned about 2 minutes.

Step 8

Place a plate over the skillet and invest Frittata onto the plate

Step 9

Garnish with remaining cheese and dill