Yep. She eats fast and is hard to burp. So, formula comes up along with the gas. It happens. Don't worry about it unless it's projectile or coming up with bile or different colors.
Have you tried burping your little one after they eat an ounce or so and then continue to feed? This seems to help my LO from spitting up so much. She loves to chug her bottle, especially if she thinks I'm not feeding her fast enough! I
Re: spit up at feeding?
It's a girl!