Make-Ahead & Storage Tips
- Fridge: Keeps up to 4 days—flavor deepens overnight!
- Freeze: Freeze in portions up to 3 months. Thaw and reheat gently.
- Prep ahead: Cube beef and slice mushrooms morning-of; store in fridge.
Frequently Asked Questions
Q: Gluten-free?
A: Yes! Use GF-certified onion soup mix (like Simply Organic or homemade blend).
Q: Can I use ground beef?
A: Not ideal—it turns mushy. Stick with stew meat or chuck roast.
Q: No onion soup mix?
A: Substitute with 2 tbsp dried minced onion + ½ tsp garlic powder + ¼ tsp black pepper + 1 tsp beef bouillon.