Baby’s weight

I’m a first time mom. My daughter is 9 months and she’s 27 pounds. She’s a chunky baby. This the second time at her doctors appointment that her doctor says that her weight gain is increasing too high and that she needs to match a certain pattern on the chart he shows me on his laptop. I give her 2 bottles a day right when she wake up in the morning and right when she goes to sleep at night. I usually give her 10 ounces but I now started to give her 8 ounces since the doctor told me to try that instead. Every morning I just give her milk but at night I add cereal into her milk. * YEAH YEAH I know about the “choking” if adding cereal in milk or whatever, but I’ve been putting cereal in her milk for the longest and she’s been fine & haven’t choked not 1 time ! Everyone’s different, even the doctor knows. But during the day I would feed her solid foods that she’s able to eat, I’ll give her fruit juice to drink sometimes, & I’ll give her water everyday. I don’t know what changes I I need to make to keep her from gaining so much … I saw my niece today and she turned 1 a few months and she’s soo petit to the point where I even ask myself like damn what the hell am I feeding this girl 😫