Stewed White Beans

Name: Stewed White Beans
Ingredients: 2 cups dried white beans, such as cannellini; 2-3 chiles de árbol; 2 medium yellow onions (1 halved, 1 finely chopped); 1⁄4 cup extra-virgin olive oil; 1 (6-oz.) lamb blade chop; 3 cloves garlic, finely chopped; 1 large banana pepper or Italian frying pepper, stemmed, seeded, and chopped; 1 1⁄2 cups tomato sauce; 1 dried ground aleppo pepper or paprika; 1⁄2 tsp. dried oregano; 2 medium tomatoes, halved and grated, skins discarded; 1 3⁄4 cups chicken broth; Kosher salt, to taste; 1 lemon, cut into wedges