Anchor the recipe data tooltip to the other side of the main tooltip, there's some minor overlap when you're on the left hand side of the screen but it's easy to adjust, this gets rid of the main issue of tooltip overlapping (thanks elkano)

diff --git a/ARLFrame.lua b/ARLFrame.lua
index c8072f6..4185eca 100644
--- a/ARLFrame.lua
+++ b/ARLFrame.lua
@@ -1710,7 +1710,8 @@ local function GenerateTooltipContent(owner, rIndex, playerFaction, exclude)

 		arlTooltip2:SetOwner(arlTooltip, "ANCHOR_NONE")
 --		arlTooltip2:ClearAllPoints()
-		arlTooltip2:SetPoint("TOPLEFT", arlTooltip, "TOPRIGHT")
+		--arlTooltip2:SetPoint("TOPLEFT", arlTooltip, "TOPRIGHT")
+		arlTooltip2:SetPoint("TOPRIGHT", arlTooltip, "TOPLEFT")
 		arlTooltip2:SetHyperlink(spelllink)
 		arlTooltip2:Show()