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1
Preheat broiler.
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2
In a large saute pan over medium heat, add 1 tablespoon oil and saute onions, bell peppers and garlic.
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3
After 2 minutes, add salt and cook until tender.
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4
Remove from pan and let cool.
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5
In a medium bowl, pour milk over bread crumbs and let soak for 5 minutes.
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6
Remove from milk and squeeze out excess milk, until bread is moist but not soggy.
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7
In a large bowl, mix together beef, pork sausage, soaked bread, cooled vegetables, basil, oregano, parsley, pepper, chili flakes, grated Parmesan and egg.
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8
Gently roll into 2-inch balls.
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9
In same large saute pan used for vegetables, heat over medium heat and add 1 tablespoon oil.
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10
Cook meatballs, browning completely until the internal temperature reaches 165 degrees F, using an instant-read thermometer.
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11
Meanwhile, remove inside dough from hoagie rolls.
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12
To assemble heroes, fill hoagies with 4 meatballs each.
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13
Drizzle with 1/4 cup Marinara Sauce and top with 3 slices of mozzarella cheese.
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14
Place heroes on a sheet pan under the broiler until the cheese melts and turns golden brown.
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15
Top each sandwich with 1/2 tablespoon Parmesan.
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16
In medium saucepan, heat olive oil, add onions and cook over medium to low heat until onions are transparent.
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17
Add garlic and cook until almost brown and then add tomatoes.
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18
Cook for 1/2 hour over low to medium heat, then add basil and oregano and continue to cook for 30 minutes longer.
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19
In a food mill or a blender, puree into a sauce.
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20
Season with salt and pepper, to taste.
