Peas with Baked Ricotta and Bread Crumbs

INGREDIENTS

• Olive oil
• 4 teaspoons butter
• 2 large shallots or 1/2 small onion, finely diced (about 1/3 cup)
• Chunk of Parmesan cheese, for grating
• 5 small sage leaves, minced (about 1 1/2 teaspoons)
• 1 1/2 pounds pod peas, shucked (about 1 cup)
• 1 cup high-quality ricotta cheese, such as hand-dipped full-fat ricotta
• Grated zest of 1 lemon
• Sea salt and freshly ground pepper
• 2 to 3 tablespoons fresh bread crumbs