Take a large bowl.
Add the flour and sea salt into the bowl.
Mix the ingredients well and add the eggs, water and softened butter into the bowl.
Mix all the ingredients well to form a dough.
Take a large pan.
Add the olive oil into the pan.
Add the chopped pumpkin when the olive oil heats well.
Mix the onions and add the pumpkin seeds into the pan.
Cook the ingredients and then add the cream.
Switch off the heat.
Add the rest of the ingredients into the pan when it cools down.
Cook the ingredients for about five minutes.
Switch off the stove and let the mixture cool down.
Roll out the dough and lay half of it in a baking dish.
Add the cooked mixture on the dough.
Bake the quiche for about twenty to twenty five minutes.
Dish out the quiche when it is done.
Your dish is ready to be served.