Make this recipe a recipe that people in that category can eat. categories: ['low_calorie'], recipe: preheat oven to 375 degrees fahrenheit. with oil, brush both sides of bread slices (croutons); place on baking sheet. bake 12 minutes, turning once, until croutons are lightly toasted; set aside. in dutch oven, melt butter over medium heat. add onions and salt. cover; cook, stirring twice, until softened, 15 minutes. uncover; cook until lightly caramelized, 35 minutes. stir in flour, cook 2 minutes. stir in remaining ingredients except cheese. simmer, partially covered, 30 minutes. remove and discard bay leaf. preheat broiler. ladle soup into 4 broiler-safe bowls; top with croutons and cheese. place bowls on baking sheet; broil 4 inches from heat until cheese is bubbly, 2 minutes. garnish.

Target recipe: in a large skillet, sauté onions in butter until crisp-tender. transfer to an ungreased 5-quart slow cooker/crock pot. add the broth, worcestershire sauce, and bay leaves. cover and cook on low for 5 to 7 hours or until the onions are tender. discard bay leaves. top each serving with french bread and cheeses.