Gently pry lid off of jar and discard. Remove oxygen packet (if used). Empty contents of jar into casserole dish. Add 4 cups hot water and let sit for 5-10 minutes. Cover and bake at 350 degrees Fahrenheit for 35 minutes.
You can use any combination of vegetables that you'd like, just keep your total amount to 1 cup max to make sure it will all fit in the jar.
Nutrition information provided as an estimate only.