fixes it properly

code/modules/food_and_drinks/food/snacks.dm

@@ -303,12 +303,12 @@ All foods are distributed among various categories. Use common sense.
 	var/obj/item/result
 	if(cooked_type)
 		result = new cooked_type(T)
-		//if the result is food, set its food quality to the original food item's quality
-		if(isfood(result))
-			var/obj/item/reagent_containers/food/food_output = result
-			food_output.adjust_food_quality(food_quality + M.quality_increase)
 		if(istype(M))
 			initialize_cooked_food(result, M.efficiency)
+			//if the result is food, set its food quality to the original food item's quality
+			if(isfood(result))
+				var/obj/item/reagent_containers/food/food_output = result
+				food_output.adjust_food_quality(food_quality + M.quality_increase)
 		else
 			initialize_cooked_food(result, 1)
 		SSblackbox.record_feedback("tally", "food_made", 1, result.type)

code/modules/food_and_drinks/kitchen_machinery/grill.dm

@@ -10,7 +10,6 @@
 	var/obj/item/reagent_containers/food/grilled_item
 	var/grill_time = 0
 	var/datum/looping_sound/grill/grill_loop
-	var/quality_increase = 10 //cooking food via a grill gives it slightly higher quality
 
 /obj/machinery/grill/Initialize()
 	. = ..()

code/modules/hydroponics/grown/towercap.dm

@@ -153,7 +153,6 @@
 	var/burn_icon = "bonfire_on_fire" //for a softer more burning embers icon, use "bonfire_warm"
 	var/grill = FALSE
 	var/fire_stack_strength = 5
-	var/quality_increase = 0 //bonfires are not the greatest cooking appliance
 
 /obj/structure/bonfire/dense
 	density = TRUE