German Lasagna Recipe 5

Name: German Lasagna Recipe 5
Ingredients: 3/4 cup butter; 3/4 cup all-purpose flour; 1 tablespoon beef bouillon granules; 2 teaspoons onion salt; 2 teaspoons pepper, divided; 1/2 teaspoon white pepper, optional; 2-1/4 cups milk; 1 can (14-1/2 ounces) chicken broth; 1 pound smoked kielbasa or polish sausage, chopped; 2 eggs; 1-1/2 cups (12 ounces) 4% small-curd cottage cheese; 9 lasagna noodles, cooked and drained; 1 jar (16 ounces) sauerkraut, rinsed and squeezed dry; 2 cups (8 ounces) shredded monterey jack cheese, divided