In a large bowl, combine all the ingredients and mix them together using your hands.
Use a medium-sized cookie scoop to portion the meat mixture and form it into meatballs.
Place the meatballs on two parchment-lined baking sheets.
Bake the meatballs in the preheated oven for 20 minutes, switching the baking sheets from the top rack to the bottom rack after 10 minutes.
Allow the meatballs to cool slightly, and then transfer them immediately to a gallon-size plastic zippered storage bag.
Lay the bag flat in the freezer and store the meatballs tightly sealed for up to 3 weeks.
Notes / Tips / Wine Advice:
To thaw the meatballs, place them in the refrigerator for several hours or overnight. Alternatively, you can warm them in the microwave. You can also toss them in a skillet over medium heat with a small amount of coconut or olive oil just until they are warmed through.Enjoy your make-ahead meatballs whenever you need a quick and easy meal!