...so I was thinking about ditching the shakes this spring to cut calories. But, I'm paranoid about losing muscle. Thoughts? Thanks!
You won't lose muscle by ditching a shake or two. I have a lot less protein powder/shakes now than I used to but I have made sure that what I'm eating in place of them is more consistent and of high quality. Shakes are just convenient, but no better in terms of gaining or preserving muscle than actual food. 150g per day of protein is a lot, and even possibly a little on the high side IMHO.
FWIW, I use a pea protein powder and just use it when I feel like it. Over my muesli or oats usually, I quite often don't take one straight after my training like I always used to. Personally I noticed zero
difference in muscle gain or loss from cutting back on them.