At least she can scoop with a spoon. I haven't yet dared to give DD cheerios in milk, like you have done. My 16 mos DD is still learning, she mostly "pats down" her food or hitting the spoon against the bowl.
Someday it will all click...
Right now she's going through an "I want to feed myself with my fingers" phase. So like your daughter, she isn't really letting me spoon feed her, or even helping her load up her spoon & guiding it to her mouth. If I guide her hand to scoop up some food onto the spoon. she'll use her other free hand to pick the food off the spoon.
So now I'm changing the menu to be more finger-friendly (no more mashed potato, apple sauce, yogurt). Like anything else we've gone through with her, I know it is just a phase. So yours is probably going through a phase also. Hopefully it won't last too long.
Like you, I don't like cooking in the mornings either. We always give DD banana at breakfast, and she usually has leftover dinner with it (there's a story behind that). We also like to give her "easy" foods like waffle, pancake and toast. During the rest of the day, she may have cubed yams, cubed potatoes, cubed flavored tofu w/dip (tried that yesterday, she loved it!), cubed ravioli, small pieces of pasta, cubed veggies (melted cheese on top is a hit), cubed avocado, and cut up pieces of fruit.
Breakfast: flank steak pasta; banana
Snack: grapes; cracker; carrots
Lunch: tofu w/sesame ginger dip; strawberries
Dinner: potatoes; cheese over broccoli
Snack: peanut butter on toast