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Preheat oven to 350°F.
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In a small bowl, combine the tomato sauce topping ingredients and set aside. Add water to the sauce to thin, as needed.
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In a large bowl, combine the beef, eggs, cheese, vegetables, herbs & seasonings.
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Place the meat mixture on a wax paper-lined jellyroll pan or counter. Form the meat into a 10x8-inch flat rectangle.
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Place the prosciutto slices on the meatloaf mixture. Place the provolone slices on top. Starting with the short side, roll the meatloaf up (may need to use the wax paper to help). Seal the ends and place, seam side down, into a loaf pan.
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Spread tomato sauce topping on the meatloaf, completely covering the top.
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Bake for 75 minutes (1 hour 15 minutes).
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Drain the fat and let rest 10 minutes before serving.