22 onion sandwich balsamic sauce Recipes

whole milk, white bread, crusts removed and cut into 1/2 inch pieces, ground beef, pork, freshly grated parmesan cheese, onion, finely chopped, eggs, garlic cloves, minced (1 tbsp), dried oregano, worcestershire sauce, coarse salt, fresh ground pepper, ripe tomatoes, halved, extra virgin olive oil, plus more for brushing, shallots, finely chopped, water, sugar, balsamic vinegar, honey, cayenne pepper, coarse salt, garlic cloves, smashed, extra virgin olive oil, rye bread, grilled, mache

extra-virgin olive oil, divided, soy sauce, worcestershire, red wine, coarse kosher salt, divided, freshly ground black pepper, divided, lamb, cut into 1 1/2-in. chunks, red bell peppers, stemmed, seeded, and sliced into 3/4-in.-wide wedges, peeled red onions, sliced into 1-in.-wide wedges, eggplant , quartered lengthwise and cut into 1-in.-thick slices, zucchini , sliced crosswise into 1/4-in.-thick slices, roma tomatoes, seeded and quartered lengthwise, garlic, chopped, balsamic vinegar, coarsely chopped walnuts, crumbled feta cheese, pitas, halved