Try this Crockpot French Onion Soup recipe
- Carbohydrate 62.888506483265 g
- Cholesterol 122.012500155467 mg
- Fat 50.3776291209552 g
- Fiber 5.72374153570428 g
- Protein 25.0197625233537 g
- Saturated Fat 31.2924271957331 g
- Serving Size 1 1 recipe (2258g)
- Sodium 9917.99314955289 mg
- Sugar 57.1647649475607 g
- Trans Fat 3.50484552031272 g
- Calories 788 calories
Step-by-step
- Melt butter in skillet over medium heat.
- Add onions and sugar to pan and cook until light brown in color.
- Get a piece of cheesecloth and add thyme and bay leaf and tie up with string to create a bouquet garni.
- Place all ingredients in slow cooker.
- Cook on low for 7-9 hours.
Onions drive this entire dish. Raw Allium cepa contains harsh sulfur compounds that convert into sweet, complex flavor molecules when subjected to sustained heat. Slicing them uniformly ensures they soften at the same rate in the skillet. Cooking them with a pinch of sugar accelerates the Maillard reaction and caramelization process before everything transfers to the slow cooker. Watch for a light brown color and a significant reduction in volume before stopping the stovetop stage. Cutting corners here yields a thin, watery broth instead of a rich foundation. Encasing the thyme and bay leaf in cheesecloth creates a bouquet garni, which keeps tiny herb flakes out of the final liquid while allowing essential oils to infuse the simmering broth over seven to nine hours on low heat. Scaling this recipe requires careful attention to pot geometry. Slow cookers rely on direct contact heating from the base and sides. Doubling the ingredient volume without scaling up the vessel capacity creates a heavy thermal mass that prevents proper heat distribution, leading to uneven cooking zones. Conversely, halving the batch in an oversized slow cooker risks over-evaporation, which concentrates the sodium from the beef broth past palatable levels. When adjusting batch sizes, maintain the ratio of fat and sugar to onion mass to preserve proper browning dynamics. Dairy-free adaptations require substituting plant-based butter during the initial skillet phase, though the underlying chemistry of sugar conversion remains identical regardless of fat choice. Always taste the broth for salt before serving, as long simmering concentrates naturally occurring minerals from the beef bones.
