Prep Chocolate: Roughly chop white chocolate and place in a heatproof bowl.
Warm Cream: Heat heavy cream until hot but not boiling. Look for small bubbles around the edges before removing from heat.
Combine: Pour hot cream over the chocolate and let it sit for a minute. Stir until chocolate is completely melted.
4 oz white chocolate, 1/3 cup heavy cream
Stir in Peanut Butter: Add room-temperature peanut butter and mix until fully incorporated. Use an immersion blender if needed to smooth out everything.
1/3 cup peanut butter
Add Salt: Taste the ganache and stir in a pinch of salt at a time until the flavor is just right.
salt
Cool: Let the ganache sit, stirring occasionally, until it reaches the desired consistency. To speed up cooling, place the bowl in cold water and continue stirring.
Refrigerate or Use: Use once it’s at the right thickness or refrigerate for later.