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To make the sponge:
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1 1/2 tablespoons active dry yeast, 1 tablespoon granulated sugar, 1/4 cup warm water, 1 1/4 cups warm milk, 2 cups unbleached all purpose or bread flour. Beat until smooth then cover with plastic and let sit for 30 minutes. It will be really bubbly.
To make the dough:
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Add the following to the sponge: 2 large eggs at room temp., finely grated zest of 1 orange or lemon (I used orange), 2 teaspoons salt, 1/3 cup sugar, and 1 cup of flour. Beat until smooth, then add3/4 cup unsalted butter (1 1/2 sticks) the butter should be cut in little pieces and be at room temp. Then add the remaining 1 1/2 to 2 cups of flour 1/4 a cup at a time until the dough is smooth. The dough will not be firm like regular bread dough, it will be very soft.
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Knead about four minutes (using flour as needed to prevent sticking) then place in a greased bowl turning once to coat. Then let it rise for 1 1/2 to 2 hours.
After that you can do whatever you would like with it! The recipe suggests dividing into 6 portions and braiding (see braiding example below), which would be good because this dough is SO amazing!
I chose to divide the dough in half and make cinnamon rolls and an apple braid. I just used my favorite recipe for apple pie filling. (3 cups chopped, peeled apples, 1 tablespoon lemon juice, 1/3 cup sugar, 1 tablespoon flour, 1/2 teaspoon ground cinnamon, 1/4 teaspoon ground nutmeg and 1/4 cup dried cranberries. I mixed it up and let it sit in the fridge while the bread was rising. It's pretty wet, I just drained it all off...)
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I dusted the top of my braid with cinnamon, nutmeg and powdered sugar. Then after it was done I glazed it with powdered sugar, vanilla and fresh squeezed orange juice.
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Sorry, no pics of the cinnamon rolls...