yellow squash and pesto focaccia

Doughy, oily, herby, and just so goddamn good—this focaccia is filled with nooks and crannies of olive oil, pesto, and rosemary. Adorned with thin slices of yellow squash, THIS is “fuck yeah” bread.     Ingredients: 2 cups of warm water, divided (around 110° F) 2 tsp sugar 2 tsp instant or active dry yeast 1/2…