1. Preheat oven to 400 degrees. Grease muffin tins.
2. In a large bowl, blend together flour, first part of sugar, powder, lemon zest, and the salt. In a med. bowl, beat together the remaining 2 tbsp of sugar, egg, oil, 1 tbsp of poppy seeds, milk and lemon juice. Combine the two mixtures, blending until the dry ingredients are just moistened.
3. Spoon the batter into the cups, filling about ¾ full. Sprinkle the remaining poppy seeds over the top of the muffins. Bake for 15 to 20 minutes.