1. Make four circles on the dough with a cooking tool.

2. Cut out the circles of the dough.

3. Bake them for 10 minutes on a frying pan/ on an oven.

(Are the expressions grammatical?)

2 answers

1. ... with a cookie cutter.
(sometimes also referred to as biscuit cutters)

2. Cut the circles out of the dough.

3. Bake... in an oven.
http://www.google.com/search?q=biscuit+cutters&hl=en&rlz=1C1GGGE_enUS379US379&prmd=imvnse&source=lnms&tbm=isch&ei=4MCZT56mHYWC8QS1rKX4BQ&sa=X&oi=mode_link&ct=mode&cd=2&ved=0CIQBEPwFKAE&biw=1366&bih=643

Various sizes and shapes!