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1
Preheat the oven to 325 degrees F. Bring a large saucepan of salted water to a boil.
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2
Add the macaroni and cook until slightly al dente, about 10 minutes.
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3
Drain and set aside to keep warm.
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4
Whisk the eggs in a large bowl until frothy.
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5
When I say LARGE bowl, I mean LARGE!
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6
Add the Velveeta, butter and 2 cups of the half-and-half to the large bowl of eggs.
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7
Add the warm macaroni tossing until the cheese has melted and the mixture is smooth.
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8
NOW - Get your big strong Man, son, or neighbor to help here!
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9
This can get really hard to stir --
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10
Add the remaining half-and-half, 3 cups of the sharp yellow Cheddar, the remaining grated cheeses, and salt and pepper, tossing until completely combined in the large bowl.
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11
Grease your pans with either a cooking spray or a little butter (hey, what is more butter at this point?
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12
).
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13
Pour the mixture into 9 by 13-inch casserole or baking dishes (approximately 3 (3-quart) baking dishes) and bake for 30 minutes.
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14
(I buy the disposable pans at the store, way easier).
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15
Sprinkle with the remaining 1 cup of sharp yellow cheese and bake until golden brown on top, about 30 minutes more.
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16
Watch it pretty close after about 15 minutes.
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17
Serve hot.
