| 2 1/2 | c | All-purpose flour |
| 2 | ts | Baking powder |
| 1 | ts | Baking soda |
| 1/2 | ts | Salt |
| 1/2 | c | Sugar |
| 6 | tb | Cold butter, cut in small pieces |
| 1/2 | c | Raisins (plumped) |
| 1 | | Egg, beaten |
| 1 | c | Plain yogurt (8oz carton) |
| | Grated peel of 1/2 lemon |
| | Milk for brushing on scones |
| | Butter |
