Preheat your oven to 400 degrees Fahrenheit, and line a baking sheet (one large or two small) with parchment paper.
Prepare the jalapeños, garlic and green onion as noted above. Place in a large mixing bowl with ground turkey, cumin, salt and pepper. Use your hands to thoroughly combine all of the ingredients.
Use an ice cream scoop to make golfball sized meatballs on your parchment lined baking sheet(s). It should make about 24-25 meatballs. Place in the oven to bake for 20 minutes, or until the turkey is cooked all the way through.
In the last five minutes of baking, place your can of diced tomatoes in a large skillet over medium-low heat. Let it heat up. Once meatballs are done cooking, remove from oven and use tongs to place them in the tomatoes on the stove. Toss to coat and serve. Enjoy - for breakfast, lunch, dinner or snacks!