Combine ingredients. Store in a container or jar with a tight fitting lid at room temperature for up to 6 months.
Make Homemade Au Jus:
Measure and add 1 ounce (or about 4-1/2 teaspoons) of the homemade mix into a saucepan. Pour in 2 cups water and whisk well to combine. Bring to a boil over medium heat, whisking constantly. Once boiling, reduce heat to low and simmer 3 to 5 minutes or until it has thickened slightly.
Notes
Yields 6 ounces which is equivalent to 6 (1-ounce) packets.