01001100110 wrote:
If a refrigerator, microwave, large toaster oven, deep fryer, blender,
are on the same breaker, would that be too much?
Of course not.

What should be the maximum number of wall plugs on one breaker?
There's no limit--knock yerself out!

Should the overhead light be on a different breaker?

There's a break in a wire that's knocked out all power in the kitchen.
Peel off the insulation to be sure.