Make this recipe a recipe that people in that category can eat. categories: ['low_calorie'], recipe: heat the olive oil in a large skillet over high heat. add the garlic and cook briefly. add the onions and a dash of salt. cook over med-high heat and stir, approximately 7 minutes reduce heat to medium and cook, stirring occasionally, until the onions are golden brown. this will take about 25 minutes. add the sage and vinegar and cook until the liquid evaporates. add the stock and simmer for 10 minutes. turn on the broiler. ladle the soup into 4 flameproof serving dishes. top with the croutons and cheese. broil until the cheese melts, then serve immediately.

Target recipe: in medium saucepan, heat butter and saute the onions on low heat for 20-30 minutes until soft and golden brown, stirring often. add the garlic, thyme, salt and pepper and cook another 4-5 minutes. add beef broth and grape juice. cover and simmer for 15 minutes. taste for seasoning. (can be made ahead up to this point.) preheat oven to 400 degrees. place soup in 6 ovenproof bowls. top each bowl with a slice of french bread and about 1/4 cup grated cheese. bake for 5 minutes until cheese has melted. serve at once. serves 6.