01 - Dissolve yeast in lukewarm milk with 1 tablespoon sugar. Let stand 5-10 minutes until foamy.
02 - In a large mixing bowl, whisk together flour, remaining sugar, salt, and lemon zest.
03 - Pour yeast mixture, melted butter, eggs, and vanilla into dry ingredients. Mix until soft dough forms.
04 - Knead by hand or stand mixer for 8-10 minutes until smooth and elastic.
05 - Place dough in greased bowl, cover, and let rise in warm place until doubled, about 1-1.5 hours.
06 - Punch down dough. Divide into 3 equal portions. Roll each into 20-inch ropes.
07 - Braid ropes together and shape into ring, pinching ends to seal.
08 - Transfer to parchment-lined baking sheet. Gently tuck raw dyed eggs into braid, spacing evenly.
09 - Cover lightly and let rise 30-45 minutes until puffy.
10 - Preheat oven to 350°F.
11 - Brush dough with milk, avoiding eggs. Sprinkle with sugar if desired.
12 - Bake 25-30 minutes until golden brown and cooked through.
13 - Cool on wire rack. Serve warm or at room temperature.