Depending on where you are with the girl.
Option 1....Ur pretty close to her. If you are in the lane just go in for it just kinda fill in the blanks "hey ___,I kinda have liked you for a while,I really like ___, ___ and ____ about you. Ik were friends rn but maybe you might wanna be more
Option 2.....Get to option 1 my G
Hope this helps. Good luck