Preheat your oven to 350°F. This is your baking temperature for the rolls.

In a large mixing bowl, combine 2 cups all-purpose flour, 1 cup whole wheat flour, 1 tablespoon instant yeast, 1/4 cup granulated sugar, and 1 teaspoon salt. Whisk together for 10 seconds until evenly distributed. Checkpoint: Your dry ingredients are fully blended when no streaks of flour remain.

In a separate bowl, add 1 cup cottage cheese (ensure it is at room temperature), 1/4 cup warm whole milk (between 110–120°F), 3 tablespoons melted unsalted butter, 1 large room-temperature egg, and 1/2 teaspoon vanilla extract. Stir vigorously for 30 seconds until the mixture is completely smooth with no lumps. Checkpoint: The cottage cheese should be broken down enough that the mixture looks like a thick cream.

Pour the wet ingredients into the dry ingredients. Using a sturdy spoon or rubber spatula, stir for 60 seconds until a shaggy, wet dough forms and no dry flour remains. Checkpoint: The dough should look rough and uneven at this point.

If kneading by hand: Transfer dough to a lightly floured work surface and knead for 8–10 minutes, adding tiny pinches of flour only if extremely sticky. If using a stand mixer with a dough hook: Knead for 5–6 minutes on medium speed. The dough should be smooth, elastic, and slightly tacky (not sticky). It should spring back slowly when poked with one finger.

Lightly oil a large bowl. Shape the dough into a ball and place it in the bowl, turning to coat all sides with oil (2 seconds per side). Cover the bowl tightly with plastic wrap or a damp towel.

Let the dough rise at room temperature (68–72°F is ideal) for 60–90 minutes. If your kitchen is cold (below 65°F), it may take up to 2 hours. The dough should roughly double in volume and be puffy to the touch. Checkpoint: When you poke the dough gently with a floured finger, it should spring back slowly but leave a slight indent.

While the dough rises, prepare the filling. In a small bowl, combine 1/2 cup softened unsalted butter, 1 cup packed light brown sugar, 2 1/2 tablespoons ground cinnamon, and 1/4 cup cottage cheese. Stir vigorously for 60 seconds until the mixture is smooth and spreadable, with no lumps of brown sugar remaining. Set aside.

After the first rise, gently punch down the dough by pressing your fist into the center, then fold the edges toward the middle (5 seconds total). This releases excess gas.

Transfer the dough to a lightly floured work surface. Using a rolling pin, roll the dough into a rectangle approximately 16 inches long by 12 inches wide. The dough should be 1/4 inch thick and even throughout. Checkpoint: You should see a rectangular shape with fairly uniform thickness.

Spread the cinnamon-brown sugar filling over the dough using an offset spatula or the back of a spoon, leaving a half-inch border uncovered on all four edges (90 seconds). The filling layer should be about 1/4 inch thick. Checkpoint: The filling is evenly distributed when you don't see bare dough peeking through.

Starting at the long edge (16-inch side) closest to you, tightly roll the dough toward the far edge, tucking slightly as you roll (120 seconds). The finished log should be about 16 inches long and 2 inches wide. Use both hands to keep the roll tight.

Using a sharp knife dipped in warm water (wipe between cuts), cut the log into 12 equal pieces, each about 1 1/3 inches thick. Wipe the knife clean after each cut to prevent the dough from sticking. Checkpoint: Each roll should have a visible spiral of cinnamon filling.

Grease a 9x13 inch baking pan with butter or non-stick spray, coating the bottom and sides evenly. Arrange all 12 rolls in the pan in 3 rows of 4, placing them cut-side up with about 1/2 inch of space between each roll. The rolls will expand into each other during the second rise.

Cover the pan loosely with plastic wrap or a damp kitchen towel. Let the rolls rise at room temperature for 45–60 minutes. If your kitchen is cold, they may need 75 minutes. The rolls should be puffy, pillowy, and should spring back slowly when gently pressed with one finger. The tops will rise 1–2 inches above the rim of the pan. Checkpoint: When you press a roll gently, it should leave a slight indent that fills back in slowly over 3 seconds.

Bake the rolls in the preheated 350°F oven on the middle rack for 25–30 minutes. The tops should turn golden brown (the color of honey), and the rolls should smell deeply fragrant and cinnamony. Insert a thermometer into the center of one roll; it should register 190–195°F when fully baked. The rolls should feel firm on the outside but yield slightly when pressed gently. Checkpoint: The rolls are done when the tops are golden brown and an instant-read thermometer reads 190°F in the center of a roll.

While the rolls bake, prepare the frosting. In a medium bowl, beat 8 ounces softened cream cheese and 1/4 cup softened unsalted butter together for 60–90 seconds using an electric mixer on medium speed until light and fluffy. Scrape the bowl halfway through.

Add 1 1/2 cups sifted powdered sugar, 1/2 teaspoon vanilla extract, and 1/8 teaspoon salt to the cream cheese mixture. Beat on medium speed for 60 seconds until smooth and spreadable with no lumps of sugar remaining. The frosting should be thick but pourable. If too thick, add milk 1/2 teaspoon at a time. Checkpoint: The frosting is ready when it is smooth, fluffy, and completely free of sugar grains.

Remove the rolls from the oven immediately. Let them rest in the pan for 2–3 minutes so they are still warm but cool enough to handle. The pan will be very hot; use oven mitts.

Spread or drizzle the frosting generously over the warm rolls (120 seconds total), allowing it to melt slightly into the crevices and run down the sides. For a lighter frosting coating, spread more thinly; for a richer frosting experience, use all of it.

Let the frosted rolls cool in the pan for 10 minutes before serving. They will set slightly and become easier to remove from the pan.

Troubleshooting tips:If dough won't rise after 90 minutes: Your kitchen is too cold. Move the bowl to a warmer spot (near a sunny window) or inside a turned-off oven with the light on, which maintains 75°F.

If rolls spread too wide instead of tall during the second rise: Your filling was too wet or your rolls were cut too thick. Ensure the filling is spreadable, not drippy, and cut rolls to 1 1/3 inches.

If rolls are dense or gummy in the center: They weren't baked long enough or your oven runs cool. Bake 5 additional minutes or check your oven temperature with an oven thermometer (buy one if you don't have one; ovens often run 15–25°F off).

If frosting is too thick and won't spread: Let it sit at room temperature for 10 minutes, or add milk 1/2 teaspoon at a time while beating.

If rolls stick to the pan: Let them cool for 15 minutes, then use a small offset spatula or butter knife to loosen them gently before removing.