Turn the dishwasher on. The sani heating elements will cook them.
Step2
They are likely not only inside, but coming from the floor, crawl space, basement, or foundation. Check outside your house. Don't pile wood or debris around the foundation, as this will encourage them.
Step3
Get this under control quickly, as if the infestation spreads throughout your house, it can become a serious (and expensive) problem. Pull out the dishwasher, and find the source. Use traps, spray, or the liquid drops. Most poisons are made to be carried back to the colony, where it will kill all the ants.
If you can't bring this under control, contact a pest control company. It is not expensive, and the have the knowledge and the chemicals to eliminate the problem quickly.
Enthusiast 
