Heat oven to 400℉/200℃.
Line sheet pan with parchment paper. Set aside.
Mix eggs and cream in a small bowl. Set aside.
In a large bowl, whisk together flour, sugar, baking powder, baking soda, salt, lemon zest, and poppy seeds.
Grate butter into flour mixture.
Stir gently to combine.
Add cream mixture and mix lightly, just until dry ingredients are incorporated.
Scrape out onto a lightly floured surface.
Roll (or pat) into a circle.
Using a pizza cutter or a sharp knife, cut the dough into 8 wedges.
Place on sheet pan, at least 2 inches apart.
Bake until golden brown, about 15 minutes.