RIght click on the inventory icon on the toolbar will bring up the ingredients list

game/modules/tome/class/uiset/Minimalist.lua

@@ -1856,8 +1856,9 @@ function _M:displayToolbar(scale, bx, by)
 		game.mouse:unregisterZone("tb_inven")
 		local desc_fct = function(button, mx, my, xrel, yrel, bx, by, event)
 			if event == "out" then self.tbbuttons.inven = 0.6 return else self.tbbuttons.inven = 1 end
-			game.tooltip_x, game.tooltip_y = 1, 1; game:tooltipDisplayAtMap(game.w, game.h, "Left mouse to show inventory")
-			if button == "left" and not xrel and not yrel and event == "button" then game.key:triggerVirtual("SHOW_INVENTORY") end
+			game.tooltip_x, game.tooltip_y = 1, 1; game:tooltipDisplayAtMap(game.w, game.h, "Left mouse to show inventory\nRight mouse to show ingredients")
+			if button == "left" and not xrel and not yrel and event == "button" then game.key:triggerVirtual("SHOW_INVENTORY")
+			elseif button == "right" and not xrel and not yrel and event == "button" then game:registerDialog(require("mod.dialogs.ShowIngredients").new(game.party)) end
 		end
 		game.mouse:registerZone(bx + x * scale, by +y*scale, tb_inven[6], tb_inven[7], desc_fct, nil, "tb_inven", true, scale)
 	end