Vegan Pasta with Spinach, Mushrooms, and Garlic

Ingredients (8)

• + ½ (16 ounce) box penne pasta add to pantry
• ✓ 3 tablespoons olive oil, divided
• + 1 (8 ounce) package sliced fresh mushrooms add to pantry
• + 1 bunch spinach, roughly chopped add to pantry
• + 2 cloves garlic, chopped add to pantry
• ✓ 2 tablespoons balsamic vinegar
• + salt and ground black pepper to taste add to pantry
• ✓ salt and ground black pepper to taste