1 pkg. Yeast
3/4 c. Warm Water, 105°-115°
1 Tbsp. Granulated Sugar
1 tsp. Salt
3 Eggs, room temperature
1/2 c. Butter, softened
3 1/2 c. Bread Flour
1 1/2 c. Swiss Cheese, 1/2″ cubes
1 Egg Yolk
2 Tbsp. Water

In large mixing bowl dissolve yeast in warm water and sugar.
Mix in salt, eggs, butter and 2 cups of flour.
Beat until smooth.
Add remaining flour, enough to make a stiff dough.
Turn out onto floured surface, knead 5 minutes until smooth and elastic.
Place in a large oiled bowl and turn dough to cover completely with oil.
Cover with a damp towel.
Let rise until doubled, about an hour.
Punch dough down and knead in cheese cubes.
Divide dough into 3 parts.
Roll each portion into 15″ long rope.
Place ropes on parchment lined cookie sheet and braid together.
Brush lightly with oil.
Cover and let rise 45 minutes until doubled.
Stir together egg yolk and 2 Tbsp.water and brush over braid.
Bake 25-30 minutes at 375°F.