1. Combine flour, sugar, baking powder, and salt in food processor, blend 5 seconds (or just mix them by hand)
2. add butter and blend, using on/off turns, until mixture starts to get crumbly
3. add 3/4 cup cream, blend using on/off turns just until dough starts to come together
4. turn dough out onto lightly floured surface, sprinkle with hazelnuts & chocolate pieces
5. gently knead (4 or 5 turns) to mix in nuts and chocolate
6. shape into 2 equal balls
7. press out to 6″ round (1/2″ thick), brush with remaining cream, then cut into 6 wedges each (12 total)
8. arrange wedges on buttered baking sheet (space 1″ apart)
9. brush tops with remaining 2 tbs whipping cream
10. bake until puffed and golden, about 16 min), then devour with tea