Roasted Veggie Pasta

Name: Roasted Veggie Pasta
Cuisine: Mediterranean
Ingredients: 1 pound pasta; 1/2 large red onion, sliced; 2 medium carrots, cut into thin matchsticks; 1 pint tiny tomatoes, halved; 1 medium zucchini, cut into thin matchsticks; 1 pound eggplant, skin on, cut into cubes; 1/4 teaspoon salt; 2 1/2 tablespoons chopped fresh thyme leaves; 3 cloves garlic, minced; 2 tablespoons lemon juice; 3 tablespoons balsamic vinegar; 1/2 teaspoon red pepper flakes (optional); Salt and black pepper