One-Pot Pasta Primavera Gelson's

Ingredients

• 2 cloves garlic, smashed and minced
• 2 ½ tsp kosher salt, divided
• 6 Tbsp unsalted butter, at room temperature, divided
• 1 Tbsp finely grated lemon zest (from 1 lemon)
• 1 medium shallot, minced
• 12 oz dried penne rigate
• 4 cups hot water
• 6 asparagus spears, trimmed and cut into 1-inch pieces on the bias
• 1 small zucchini, diced
• 1 cup julienned carrots
• ¾ cup diced orange or yellow bell pepper
• 1 ¼ cups broccolini, trimmed and cut into 1-inch pieces
• ½ cup sugar snap peas, halved on the bias
• ½ cup fresh or frozen peas
• 10 cherry tomatoes, halved
• ¾ cup grated Parmesan cheese, plus more for serving
• 2 Tbsp thinly sliced fresh basil leaves
• Pinch red pepper flakes