Things You'll Need:
- 6 Vidalia onions
- Dijon mustard
- Kosher salt
- Freshly-ground pepper
- 1 cup beef stock
- 1 tbs. lemon juice
- 2 tbs. flour
- 2 tbs. shortening
- 1 tbs. mushroom ketchup
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Step 1
Chop the onions into thin slices and grind the pepper.
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Step 2
Sauté the onions in shortening.
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Step 3
Once the onions have caramelized, stir in all the other ingredients. Continue to stir until everything reaches a rich, creamy thickness.












