Hi there. As a childminder I am actually quite surprised at what she is offering - what age children is this for?
My husband and I live off ready meals a lot of the time but I would never feed these to my ds (2½) or my mindees.
Here are some examples of what I provide:
Lunch....
Sandwich (wholemeal bread)
Cucumber
Carrot sticks
Cherry Tomatos
Yoghurt
Fruit
Dinner....
Fishfingers, Chicken Bites, Sausage, Vegetable Fingers, burger etc. with either mashed potato or boiled potato and 2 vegetables (either peas, carrots, brocoli), mixed veg or beans
Pasta and cheese sauce etc...
Also provide homemade: Shepherds Pie, Spaghetti Bolognaise, Chick & Veg Soup, Lasagne, Casserole etc
As for you asking if it's ok to provide food, I'd never have a problem with that if a parent asked me.
HTH