Karen, from what I've seen, the difference to look for is instant versus regular; here's a great rec
Sorry I couldn't answer your question fully!
But this is a great polenta recipe because you don't have to hover over the stove, stirring. smileys/smile.gif
It's from Sara Moulton.
I subbed mozzarella for provolone and it came out fine!
She recommends topping it with a sauteed tomato or mushroom mixture.
Creamy Baked Polenta
Servings: 4 as a side dish
4 cups water
1 cups yellow cornmeal or regular (not instant) coarse polenta
2 tbsp. unsalted butter, thinly sliced
1 tsp. Kosher salt
1/2 tsp. freshly milled black pepper
2 oz. provolone cheese (or mozzarella), grated (about 1/2 cup)
2 oz Parmigiano-Reggiano cheese, finely grated
Preheat oven to 350 F. Combine 4 cups water, the cornmeal, butter, salt, and pepper in a 1 1/2 quart baking dish. Bake, uncovered, on the top shelf of the oven for 40 minutes.
Remove the polenta from the oven, stir, and bake for another 10 minutes. Remove from the oven; stir in the provolone/mozz and salt and pepper to taste; wait 5 minutes before serving. Serve topped with Parmigiano-Reggiano.