In a large bowl or stand mixer, combine warm water and sugar to dissolve yeast. Allow yeast to rest for 5 minutes or till it is bubbly. Add flour, salt, and oil to make a smooth dough. Mix in flour as necessary until dough is sticky, but not sticky. Let it rise for 30 minutes in an oil-greased bowl.
Turn oven on to 350. Mix cream cheese and chicken with broccoli, garlic powder, salt and 1/2 cup of cheese.
After the dough has been risen, lightly punch down. Next, roll out the dough on parchment paper/silpat. This will create a rough rectangle of approximately 15x20 inches. ).
Spread the mixture of chicken and broccoli on the dough. Finally, sprinkle with the rest cheese. Slice one-inch strips using a pizza cutter. To create braid patterns, fold the dough strips across the filling. Make sure to tuck the ends in at the end of your braid.
Place parchment paper or silpat on baking sheet. Blend egg lightly in water. Brush egg mixture over braid. Sprinkle with sea salt.
Bake for 25-30 minute or until light golden brown