Recipe: Swiss Chard and Sausage Bread Pudding

Name: Recipe: Swiss Chard and Sausage Bread Pudding
Ingredients: 1 tablespoon unsalted butter, plus additional for the dish; 6 cups (about 1 pound/455 grams) cubed light rye bread (rye sourdough is especially nice here); 3 cups (720 milliliters) whole milk; 3 large eggs; 2 cups diced onions (from 1 to 2 onions); 8 cups coarsely chopped Swiss chard (from 1 to 2 bunches), stems and leaves separated; 1/4 cup water; 1 pound (455 grams) cooked chicken apple sausage, halved lengthwise and then cut crosswise into 1/2-inch pieces; 1 cup whole-milk ricotta cheese; 1/2 cup grated Parmesan cheese