Where to Look?
Standard Steampath for example "C:\Program Files (x86)\Steam\steamapps\workshop\content\294100\3159269638\1.5\Defs


Then just overwrite the right part in the following two Files:
First in RecipeDefs\Recipes_Plants_Processing.xml

<RecipeDef>
<defName>RefineBerries</defName>
<label>refine berries</label>
<description>Refine variety of berries into Strawberries.</description>
<jobString>Refining berries.</jobString>
<descriptionHyperlinks>
<ThingDef>RawBerries</ThingDef>
<ThingDef>RawStrawberries</ThingDef>
</descriptionHyperlinks>
<ingredients>
<li>
<filter>
<thingDefs>
<li>RawBerries</li>
</thingDefs>
</filter>
<count>8</count>
</li>
</ingredients>
<fixedIngredientFilter>
<thingDefs>
<li>RawBerries</li>
</thingDefs>
</fixedIngredientFilter>
<Products>
<RawStrawberries>4</RawStrawberries>
</Products>
<workerCounterClass>SeedsPleaseLite.RecipeWorkerCounter_ExtractSeeds</workerCounterClass>
<workAmount>5</workAmount>
<workSpeedStat>CookSpeed</workSpeedStat>
<effectWorking>Cook</effectWorking>
<workSkill>Cooking</workSkill>
<recipeUsers>
<li>SeedExtractionSpot</li>
<li>SeedExtractionBench</li>
</recipeUsers>
</RecipeDef>


and secondly in ThingDefs\Items_Resource.xml

<ThingDef ParentName="PlantFoodRawBase">
<defName>RawStrawberries</defName>
<label>strawberries</label>
<description>Assorted strawberries. Nice to eat, even when raw.</description>
<possessionCount>10</possessionCount>
<graphicData>
<texPath>Things/Item/Resource/PlantFoodRaw/Strawberries</texPath>
</graphicData>
<statBases>
<MarketValue>1.2</MarketValue>
<Mass>0.027</Mass>
</statBases>
<thingCategories>
<li>UnrefinedBerries</li>
</thingCategories>
<butcherProducts>
<Seed_Strawberry>8</Seed_Strawberry>
</butcherProducts>
<comps>
<li Class="CompProperties_Rottable">
<daysToRotStart>14</daysToRotStart>
<rotDestroys>true</rotDestroys>
</li>
</comps>
<ingestible>
<preferability>RawTasty</preferability>
<tasteThought></tasteThought>
<foodType>VegetableOrFruit</foodType>
</ingestible>
</ThingDef>




I hope could help a little