Whisk together flour, sugar, yeast, and salt in a big ol’ bowl.
Warm milk and water in the microwave until just warm to the touch—not lava-hot.
Pour the warm mix, melted butter, and egg into the dry stuff. Stir until a dough forms.
Knead on a floured surface for 5 minutes until smooth. Yes, your arms will get a workout.
Let it rest in a greased bowl, covered, for 10 minutes. Take a sip of coffee.
Roll out into a big rectangle. Smear with softened butter, then sprinkle brown sugar + cinnamon like it’s fairy dust.
Roll it up tightly, slice into 12 rolls, and place in a greased pan.
Cover with a towel and let rise for about 25 minutes, until puffy.
Bake at 350°F (175°C) for 18–22 minutes, until golden brown and your kitchen smells like heaven.
Whip together cream cheese, butter, powdered sugar, vanilla, and a splash of milk for the frosting.
Spread that glorious frosting on warm rolls. Try not to eat five immediately.