Italian Sausage and Egg Bake

Name: Italian Sausage and Egg Bake
Ingredients: 1/2 small loaf country-style bread, cut into 1/2 to1-inch cubes (about 1 1/2 cups); 2 tablespoons extra-virgin olive oil; 1 medium onion, finely diced; 1 pound sweet Italian turkey sausage, casings removed; One 10 to12-ounce package fresh baby spinach, drained; One 6.5-ounce jar oil-packed sun-dried tomatoes, drained and coarsely chopped; 2 tablespoons chopped fresh basil; 1/2 teaspoon kosher salt, plus extra for seasoning; 1/4 teaspoon freshly ground black pepper, plus extra for seasoning; One 5-ounce log goat cheese, coarsely crumbled (about 1 1/2 cups); 6 large eggs