Mediterranean Vegetable Skillet

Name: Mediterranean Vegetable Skillet
Prep time: 15 min
Cook time: 25 min
Total time: 40 min
Cuisine: Mediterranean
Ingredients: 2 tablespoons extra-virgin olive oil (for that signature Mediterranean richness.); 1 medium red onion, thinly sliced (caramelizes to sweet perfection.); 3 cloves fresh garlic, minced (fresh garlic for depth; use 2 if you prefer milder garlic.); 2 cups cherry tomatoes, halved (burst in the pan for a rustic sauce.); 1 medium eggplant, cubed (eggplant absorbs flavor beautifully.); 1/2 cup Kalamata olives, pitted and halved (for briny contrast; swap with green olives if you like.); 1/2 cup crumbled feta cheese (creamy and tangy; Greek yogurt can be stirred in for a different texture.); 1 whole lemon, zested and juiced (brightens the whole dish.); 1 teaspoon dried oregano (for base flavor.); 1 handful fresh basil leaves (for finish.); Salt and freshly ground black pepper to taste; Optional: a pinch of red pepper flakes for warmth; toasted pine nuts for crunch