Step 1

Par-bake pie crust according to package instructions. Let cool. Leave oven to preheat at 375℉.

Step 2

In the ready-made pie crust, smear about 2 teaspoons of mustard all over the bottom.

Step 3

In a large skillet on medium to medium high add butter, zucchini, onion, dried parsley or basil, salt and pepper, garlic, and oregano. Cook until translucent.

Step 4

Switch off the heat to the skillet and add in eggs and cheese. Stir to combine and immediately pour into prepared pie crust.

Step 5

Smear about 2 more teaspoons of the same mustard as before all over top.

Step 6

Bake for 18 to 20 minutes or until set and a knife pulls away clean. If clumpy, give an extra 5 minutes.

Step 7

Let cool a bit before enjoying!