3 balsamic red panini grilled cheese Recipes

fresh panini bread, sliced, swiss cheese or 4 oz mozzarella cheese, slices, fresh flat-leaf italian parsley or 3 sprigs fresh lovage, zucchini, eggplant, red bell peppers or 1 medium yellow bell peppers or 1 medium orange bell pepper, sliced red onion, summer squash, portabella mushrooms, stems removed, fresh basil leaf, stems removed and chopped finely (not dried basil), plain yogurt or 1/4 cup mayonnaise, fresh lemon juice, greek dried oregano or 1 tbsp fresh greek oregano, salt, fresh ground black pepper, dijon mustard, garlic clove, minced and roasted if desired, mayonnaise, crushed fennel seed, balsamic vinegar, extra virgin olive oil, salt and pepper

red onion, thinly sliced, balsamic vinegar (or to taste), olive oil, salt, sugar, sourdough bread, gruyere cheese, shredded, white truffle oil (optional)