Lightly grease a baking sheet with cooking spray, then cover with aluminum foil.
Next, soak bread crumbs in milk in a small bowl or pot for 20 minutes. Add oil and seasonings, stuffing will be really good then - try it out!
Now heat 1 tablespoon of olive oil in a skillet over medium flame. Cook and stir the onions in hot oil until they are translucent about 20 minutes.
In an extra-large bowl, stir the meat together with the bread crumb mixture, egg, onions, and garlic - coating everything evenly. Add the parsley, pepper flakes, Italian seasoning, salt, and pepper - then finish with a generous amount of cheese!
Please ensure that your oven is switched on and set to a temperature that's at least 425 degrees F (220 degrees C).
Takeformed beef mixture and roll into the balls about 1.5 inches in diameter. Arrange into cookie sheet. There's no need to use extra flour.
Bake in the oven at 450 degrees Fahrenheit for 15 to 20 minutes.