How to Make Penuche Fudge
- Line an 8 inch pan with foil, letting the foil extend over sides; grease lightly.
- Combine butter, sugar, and milk in medium saucepan.
- Cook, stirring frequently, until sugar is completely melted and it turns to a caramel color and is thickened.
- Remove from heat. Stir in vanilla and optional nuts.
- Spread in prepared pan. Cool for 15-20 minutes and then refrigerate 2-3 hours until firm. Lift fudge out of pan using foil. Remove foil, cut and serve.