HALF-SIZE BOILER ONION GRAVY OVER MASHED POTATOES
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Description:
Unlock the secret to a deeply savory, rich, and utterly comforting gravy without
a drop of oil! This recipe transforms humble boiler onions into a caramelized,
velvety sauce, elevated with a tangy whisper of balsamic and thyme. It's the
perfect, wholesome crown for a fluffy mountain of mashed potatoes or your
favorite plant-based loaf.

Prep Time: 15 minutes
Cook Time: 30 minutes
Yields: 2 servings

--- INGREDIENTS ---
- 2 cups vegetable broth
- 1.5 cups boiler onions, thinly sliced
- 1 tablespoon balsamic vinegar
- ½ tablespoon soy sauce or tamari (gluten-free)
- ½ teaspoon dried thyme
- ¼ teaspoon salt
- ⅛ teaspoon black pepper
- 1 tablespoon cornstarch
- 2 tablespoons cold water
- 2 cups mashed potatoes (prepared oil-free)

--- INSTRUCTIONS ---
1. In a medium skillet, heat ⅛ cup of the vegetable broth over medium heat.
2. Add boiler onions and cook, stirring occasionally, until softened and
   caramelized (about 15-20 minutes).
3. Stir in balsamic vinegar, soy sauce, thyme, salt, and pepper. Cook for another 5
   minutes.
4. In a small bowl, whisk together cornstarch and cold water until smooth to create
   a slurry.
5. Add the remaining vegetable broth to the skillet. Bring to a simmer.
6. Gradually stir in the cornstarch slurry, and cook, stirring occasionally, until
   the gravy has thickened to your desired consistency (about 5-10 minutes).
7. Serve the onion gravy over mashed potatoes.

--- CHEF'S NOTES ---
For a richer flavor, use a splash of red wine or a dash of liquid smoke. Add
other vegetables to the gravy, such as carrots or celery. Serve over mashed
potatoes, roasted vegetables, or lentil loaf.