Overnight sourdough cinamon roll

The best Sunday morning sourdough cinnamon rolls.
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1 stick of butter
2 ½ cups all-purpose flour
⅓ cup sourdough starter discard
1 cup buttermilk 1 T of vinegar and 1c of milk if you don’t have it on hand
1 tablespoon + 1 teaspoon honey
¾ teaspoon fine sea salt
1 teaspoon baking powder (hold back in initial mix)
½ teaspoon baking soda (hold back in initial mix)
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The night before melt the butter add in the sourdough discard, flour, buttermilk, and salt. Mix well and let it set on the counter overnight.
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The next morning roll out the dough and add flour so it doesn’t stick everywhere. Then melt butter and pour in the rolled out dough. Add brown sugar and cinnamon… I always just measure from the
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Roll the cinnamon rolls and cut about 3/4 of an inch thick. Place them in a buttered pan and cook at 375 for about 30-40 min.
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Let cool and put powdered sugar frosting on them. 1c powdered sugar, 1 tablespoon of butter, 1 tsp of vanilla and 1/2 of cream or milk depending on how you@like the thickness.
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Serve warm or cold and they are delicious.