Baked Cheesy Feta Pasta

Name: Baked Cheesy Feta Pasta
Prep time: 10 min
Cook time: 40 min
Total time: 50 min
Yield: 6
Ingredients: Ingredients; 2 pints cherry tomatoes; ½ cup sliced red bell pepper; ½ cup sliced red onion; ½ cup olive oil; 4 cloves peeled garlic, or more to taste; 2 tablespoons freshly squeezed lemon juice; 1 tablespoon lemon zest; ½ teaspoon red pepper flakes; ½ teaspoon freshly ground black pepper; ½ teaspoon Italian seasoning; ½ teaspoon dried basil; ¼ teaspoon sea salt; 1 (8 ounce) package feta cheese; 1 (12 ounce) package penne pasta; 1 cup baby spinach