Easy Slow Cooker Cinnamon Rolls

milk (I recommend whole or 2%)

packet Red Star Platinum Yeast or any instant yeast (1 packet = 2 and 1/4 teaspoons)

+ 1 teaspoon (55g) granulated sugar, divided

salt

 Tablespoons (43g) unsalted butter, melted and slightly cooled

large egg

and 3/4 cups (345g) all-purpose flour (spoon & leveled)

Slow cooker (here is the one I own-- I have it in white)