The easy answer is to look at some you like, then confirm PPPoE over WAN (99.9% will do that, then ask us.
I'm on my mobile so it's hard to look for what you're wanting. What I'm considering right now for myself is the Asus RT-AX88U Pro. 1x2.5 WAN, 1x2.5 LAN. For our speeds can configure a 1Gb LAN as WAN leaving 2x2.5 LAN ports and 3x1Gb for devices. £315 right now from Asus but plenty of cheaper prices when I look.