Preheat oven to 350ºF. Slice 1/2" off the top of the garlic head and place cut side up on a piece of foil. Drizzle with 1 tsp. olive oil and a bit of water. Wrap up in foil and bake in preheated oven for 50 minutes.
Meanwhile, Combine 1 cup flour, undissolved yeast, sugar and salt in a large bowl. Add water and 3 Tbsp. olive oil. Mix until blended, about 1 minute.
Gradually add enough remaining flour until a soft ball is formed. Dough will be somewhat sticky.
Knead dough on a floured surface, adding more flour if needed. About 4 minutes, until smooth and elastic.
Preheat oven to 425ºF.
Pat dough to fill out greased pizza pan. Spread 2 tsp. olive oil onto dough.
Squeeze cooled garlic up and out of the skins and into a small bowl. smash with a fork to make a creamy garlic mixture. Spread onto oiled crust. Season with salt and pepper.
Bake crust for 8 minutes. Then top with spinach, mozzarella, cherry tomatoes, parmesan and pine nuts.
Cook for an additional 5-8 minutes or until cheese is melted and tomatoes are tender. Cut into slices and enjoy