arborio (short-grain) rice
Heat butter and oil in 14"X11"x2" dish or large casserole dish, uncovered at High for 2 minutes.
Add onions and stir to coat.
Cook, uncovered at high for 4 minutes.
Add rice and stir to coat.
Cook, uncovered for 4 minutes more. Stir in broth (homemade is best; it has the best flavour).
Cook, uncovered for 12 minutes more.
Remove from oven. Let stand uncovered for 5 minutes, to let rice absorb remaining liquid, stirring several times.
Stir in salt, pepper and Parmesan if desired.
**Arborio rice is the best rice for Risotto.
It is a short grained Italian rice; available in grocery stores in cities with large Italian populations, Italian food shops and gourmet food stores.
Using North American rice will not produce the right creamy texture.