Ingredients
Method
- Heat oven to 350°F (175°C); parchment-line sheet.
- Beat butter and sugar light; mix in yolk and vanilla smooth.
- Add flour and salt just until combined; hand-fold in blue cheese.
- Roll tablespoons into balls; place 1 inch apart.
- Thumb-indent each; fill with about 1/2 tsp jam.
- Add optional walnuts; bake 12–14 minutes until edges set. Cool on rack.