Flatbread with Charred Broccoli and Roasted Grapes

Name: Flatbread with Charred Broccoli and Roasted Grapes
Ingredients: 1 1/4 teaspoons active dry yeast; 1 3/4 cups all-purpose flour, plus more for dusting; Kosher salt and freshly ground pepper; 2 teaspoons honey; Extra-virgin olive oil, for brushing; 1/2 pound seedless red grapes (about 1 1/2 cups); 1/2 cup plus 2 tablespoons extra-virgin olive oil; 1/4 cup rice wine vinegar; 2 tablespoons sugar; 1 teaspoon yellow mustard seeds; 1 head broccoli, cut into florets, stems peeled and sliced; Kosher salt; 1/2 teaspoon red pepper flakes; 3 cloves garlic, thinly sliced; 1 cup ricotta cheese; 6 sprigs thyme, leaves stripped; Freshly ground pepper; Grated parmesan cheese, for topping