Brothy White Beans with Peas, Asparagus, and Parmesan + Crusty Bread

Ingredients

• 1/4 cup olive oil, plus more to taste
• 1 leek
• 1 head of garlic
• 10-12 sprigs of fresh herbs (rosemary, oregano, thyme)
• 2 parmesan cheese rinds
• 2 teaspoons salt, plus more to taste
• 1 lb dried white beans, soaked for 6-8 hours and drained
• 1 cup fresh or frozen peas
• 1 cup asparagus, chopped
• 1 lemon
• 1/2 cup parmesan cheese, grated