I just purchased the Ooni Koda 12 inch version and am very pleased with results. This was my second ever pizza in the oven.
I use my sourdough starter (which I keep in the fridge). Starter is 50% hydration. It is fed every two to three days.
Recipe as follows:
Feed starter in bowl (100g flour, 100g water), set out at room temperature covered with wet cloth for 24 hours.
Recipe for dough for two 12 inch pizzas (linear scale up if you want to make more).
319g (Caputo Blue) flour
I use my Thermomix to make the dough. Add all elements except the salt. Bring together. Let sit for half an hour. Add Salt. Run for 2 minutes 10 seconds on dough setting. Transfer dough to pre-oiled bowl.
I then put the dough into Brod & Taylor proofer at 27C for two hours.
Then into refrigerator overnight, again covered.
Take out two hours before making pizza, divide into dough balls, cover and let rise.
The hydration is perfect for the heat of the Ooni oven.