3 herbed focaccia stuffed Recipes

portabella mushrooms (4-5 oz each, stems removed , caps wiped with a damp paper towel), red onion (6 1/4-inch slices, slightly smaller than mushroom caps), extra virgin olive oil, plus extra, extra virgin olive oil, for drizzling, ciabatta , halved horizontally and cut in 6 pieces or 24 inches square pieces herbed focaccia bread, balsamic vinegar, garlic clove, crushed through a press, salt, fresh ground black pepper, fontina cheese, cut in 6 slices, fresh basil leaves, plus extra for garnish, beefsteak tomatoes

yellow cornmeal, active dry yeast, sugar, unbleached all-purpose flour, salt, dried marjoram, dried oregano, dried thyme, dried summer savory, olive oil, sea salt, sliced mild provolone cheese, ripe plum tomatoes, sliced thin and wrapped in plastic wrap, yellow cherry tomatoes or 5 oz cherry tomatoes, halved crosswise