diff --git a/src/main/java/cech12/solarcooker/config/ServerConfig.java b/src/main/java/cech12/solarcooker/config/ServerConfig.java
index 600c90b..6dfb01a 100644
--- a/src/main/java/cech12/solarcooker/config/ServerConfig.java
+++ b/src/main/java/cech12/solarcooker/config/ServerConfig.java
@@ -15,6 +15,7 @@ public class ServerConfig {
     public static final ForgeConfigSpec.BooleanValue VANILLA_RECIPES_ENABLED;
     public static final ForgeConfigSpec.ConfigValue<String> VANILLA_RECIPE_TYPE;
     public static final ForgeConfigSpec.DoubleValue COOK_TIME_FACTOR;
+    public static final ForgeConfigSpec.DoubleValue MAX_REFLECTOR_TIME_FACTOR;
     public static final ForgeConfigSpec.ConfigValue<String> RECIPE_BLACKLIST;
 
     static {
@@ -30,6 +31,9 @@ public class ServerConfig {
         COOK_TIME_FACTOR = builder
                 .comment("Cook time factor of the solar cooker in relation to corresponding vanilla furnace. (i. e. 0.5 - half the time, 1.0 same time, 2.0 twice the time)")
                 .defineInRange("cookTimeFactor", 4.0, 0.0, 100.0);
+        MAX_REFLECTOR_TIME_FACTOR = builder
+                .comment("Speed factor when all 4 reflectors are placed next to the solar cooker. (i. e. 0.5 - half the time, 1.0 same time)")
+                .defineInRange("maxReflectorSpeedFactor", 0.25, 0.0, 1.0);
         RECIPE_BLACKLIST = builder
                 .comment("A comma separated list of all vanilla recipes that should not be used by the solar cooker. Example: \"baked_potato,baked_potato_from_smoking,othermod:other_baked_food\"")
                 .define("recipeBlacklist", "");
diff --git a/src/main/java/cech12/solarcooker/tileentity/AbstractSolarCookerTileEntity.java b/src/main/java/cech12/solarcooker/tileentity/AbstractSolarCookerTileEntity.java
index 4ed7aa1..26c92a4 100644
--- a/src/main/java/cech12/solarcooker/tileentity/AbstractSolarCookerTileEntity.java
+++ b/src/main/java/cech12/solarcooker/tileentity/AbstractSolarCookerTileEntity.java
@@ -1,5 +1,7 @@
 package cech12.solarcooker.tileentity;
 
+import cech12.solarcooker.block.AbstractSolarCookerBlock;
+import cech12.solarcooker.block.ReflectorBlock;
 import cech12.solarcooker.block.SolarCookerBlock;
 import cech12.solarcooker.config.ServerConfig;
 import com.google.common.collect.Lists;
@@ -30,6 +32,7 @@
 import net.minecraft.util.SoundCategory;
 import net.minecraft.util.SoundEvent;
 import net.minecraft.util.SoundEvents;
+import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.MathHelper;
 import net.minecraft.util.math.vector.Vector3d;
 import net.minecraft.world.World;
@@ -61,8 +64,10 @@ public abstract class AbstractSolarCookerTileEntity extends LockableTileEntity i
     protected float lidAngle;
     /** The angle of the lid last tick */
     protected float prevLidAngle;
-    /** The number of players currently using this chest */
+    /** The number of players currently using this cooker */
     protected int numPlayersUsing;
+    /** The number of reflectors next to the cooker */
+    protected int reflectorCount = 0;
 
     protected final IRecipeType<? extends AbstractCookingRecipe> specificRecipeType;
     private final Object2IntOpenHashMap<ResourceLocation> usedRecipes = new Object2IntOpenHashMap<>();
@@ -295,10 +300,13 @@ protected int getRecipeCookTime() {
         AbstractCookingRecipe rec = getRecipe();
         if (rec == null) {
             return 200;
-        } else if (this.specificRecipeType.getClass().isInstance(rec.getType())) {
-            return rec.getCookTime();
         }
-        return (int) (rec.getCookTime() * ServerConfig.COOK_TIME_FACTOR.get());
+        this.checkForReflectors();
+        double reflectorFactor = (this.reflectorCount > 0) ? 1 - ((1 - ServerConfig.MAX_REFLECTOR_TIME_FACTOR.get()) / 4.0D) * this.reflectorCount : 1;
+        if (this.specificRecipeType.getClass().isInstance(rec.getType())) {
+            return (int) (rec.getCookTime() * reflectorFactor);
+        }
+        return (int) (rec.getCookTime() * (ServerConfig.COOK_TIME_FACTOR.get() * reflectorFactor));
     }
 
     @SuppressWarnings("unchecked")
@@ -327,6 +335,33 @@ protected AbstractCookingRecipe getRecipe() {
         }
     }
 
+    private void checkForReflectors() {
+        this.reflectorCount = 0;
+        if (this.world != null) {
+            BlockState state = this.world.getBlockState(this.pos);
+            if (state.getBlock() instanceof AbstractSolarCookerBlock) {
+                Direction facing = state.get(AbstractSolarCookerBlock.FACING);
+                this.reflectorCount += countReflectorsOnSide(facing.rotateY());
+                this.reflectorCount += countReflectorsOnSide(facing.rotateYCCW());
+            }
+        }
+    }
+
+    private int countReflectorsOnSide(Direction direction) {
+        int count = 0;
+        if (this.world != null) {
+            BlockPos blockPos = this.pos.offset(direction);
+            for (BlockPos position : new BlockPos[] {blockPos, blockPos.up()}) {
+                BlockState state = this.world.getBlockState(position);
+                if (state.getBlock() instanceof ReflectorBlock
+                        && state.get(ReflectorBlock.HORIZONTAL_FACING) == direction.getOpposite()) {
+                    count++;
+                }
+            }
+        }
+        return count;
+    }
+
     @Override
     @Nonnull
     public int[] getSlotsForFace(@Nonnull Direction side) {