Basil and Butternut squash pizza

Recipe:
Pizza base:
100gr spelt flour
35 gr whole wheat flour
1/4 tsp sea salt
1/4 tsp instant yeast
80ml warm water
1/2 tbsp olive oil
1. combine flours salt and yeast in a big bowl
2. add warm water gradually while mixing with hand, finally add olive oil and knead the dough until smooth.
3. transfer to a slightly floured bowl and rest in warm room and let it doubled in size, about 1-2 hr

Meanwhile prepare the butternut squash puree for topping
1 cup butternut squash, peeled, chop into chunks
1/3 tsp sea salt
1/4 cup water
4 button mushrooms
2-3 twigs of fresh basil
Olive oil
steam butternut squash until tender, about 7-10 mins
transfer to blender, add salt and water, blend until smooth. Set aside
.
take out the dough from bowl, transfer to a slightly floured baking paper flatten the dough with rolling pin to 1/2-1 cm thick
-spread the butternut squash puree on top
-slice mushroom and arrange on top
-brush the top with olive oil
-Bake in 180C preheated oven for 25 mins
-take out from oven, arrange the basils