[Q]: Objective: Make hair for a dummy.
[A]: Cut yarn to length and attach by sewing or glue to dummy's head.

[Q]: Objective: make an indention in a cookie
[A]: immediately after removing from oven, press the back of a cold spoon onto the middle of the cookie.

[Q]: Objective: How to prevent your garden producing stubby carrots?
[A]: The carrots are root vegetables, meaning you are eating the roots. If you provide the carrots with enough room they will grow as long as a foot or more. You can do this by making a raised bed, with loose enough soil so the carrots are able to develop sufficiently downward.

[Q]: Objective: fix burnt toast
[A]:
scrape the burned areas off with a butter knife, if needed, retoast the bread.