In a large skillet, heat 2 tbsp olive oil over high heat. Add 1 medium onion, 1 red bell pepper, 2 tsp garlic, 2 Jalapeño peppers, 2 tbsp chili powder, 2 tsp salt, 2 tsp oregano, and 1 tsp cumin. Cover, reduce heat to low, and cook, stirring occasionally until vegetables are soft (about 10 minutes).
Add 28 oz canned tomatoes and cook, covered, stirring occasionally, for another 10 minutes.
Remove skillet from heat and let cool to room temperature.
Preheat oven to 350 °F
In a large bowl, combine 1½ lbs lean ground beef and ½ lb ground sausage.
Add the cooled tomato mixture, 1 c bread crumbs, 2 eggs, 1 c corn, and 3 green onions. Using your hands mix well.
Press into two 9x5 loaf pans. Bake for 50 minutes.
Sprinkle 8 oz sharp cheddar cheese over meatloaf and return to oven until cheese melts.
Notes
Prior to baking, you can cover and freeze to store. Thaw before cooking.