First start with making the tomato sauce, take forth a small saucepan. Add the cooking oil and turn on medium heat. Finely chop the onion and add to the pan. Graté the garlic gloves down directly into the pan. Let the yellow onion get transparent but not burned. Add the tomato purée and give it a good stir. Next add the crushed tomatoes and thyme. Lower the heat and let it zimmer until you are ready to add it to the pizza.
Turn on the oven on 225 Degrees Celsius/440 Degrees Farenheit.
Start with the pizza dough. First mix all the dry ingredients in a large bowl. Add the water and oil and mix it together. Put some flour on the kitchen sink and work the dough for a few minutes. Next get a baking tray and add a baking sheet. Put the pizza dough on the tray and start shaping your heart, use a knife to get smooth edges.
Chop the peppers and onion into large pieces. Add the tomato sauce on the pizza topp with fresh spinach, red peppers, red onion, feta cheese, mozzarella and finish it of with some oregano.
Put the pizza in the oven and bake for 10-15 minutes.