Preheat the oven to 350°F (180°C). Line a large baking dish with parchment paper or tin foil and set aside.: The moment you preheat you start the chemistry that produces a golden exterior. You should hear a faint hum from the oven as it reaches temperature and feel the kitchen warm slightly, which primes the environment for even baking. Lining the dish with parchment paper or tin foil helps when the sugary filling tries to stick, so your rolls lift cleanly. Why this matters: even heat at the start gives the rolls a uniform rise and a nicely browned outside. Common mistake: not preheating fully can cause uneven baking, where centers stay doughy while edges brown.
In a large mixing bowl, combine the flour and yogurt, then mix until fully incorporated. If the dough is too thick, add more yogurt to thin it out. If the dough is too thin, add a little extra flour. Using your hands, form a ball of dough.: As you combine self rising flour and Vanilla Greek yogurt , you will notice the mixture go from powdery to a cohesive mass, with the yogurt smoothing out the flour. Use a spatula first, then your hands, feeling for a dough that holds together without excessive stickiness. The texture should be pliable and slightly tacky, not runny. Why this matters: proper hydration balances structure and tenderness so the rolls are soft but hold their shape. Common mistake: over mixing can make the dough dense, while under mixing leaves pockets of dry flour.
Lightly flour a kitchen surface. Sprinkle a tablespoon of extra flour on top of the ball of dough, and transfer it to the floured surface. Form the dough into a rectangular shape. Using a rolling pin, roll out the dough to around 12 inches by 6 inches.: Rolling transforms the dough from a rough ball into a malleable sheet; you will feel it stretch and relax under the pin. The surface should be just dusted so the dough slides, not sticks. Visual cue: you want an even rectangle about a half centimeter thick so the spirals are balanced. Why this matters: even thickness ensures uniform baking and neat spirals. Common mistake: applying too much extra flour can dry the dough, leading to a tougher roll.
In a mixing bowl, combine the frozen raspberries with sugar and cinnamon and mix well. Spray the dough with cooking spray. Cover with the raspberry and sugar mixture. From one end of the dough, roll it slowly until it is completely rolled up. Slice into 6-8 pieces.: When you mix raspberries , sugar , and cinnamon , the sugar will start to macerate the berries, releasing fragrant juices that smell bright and sweet. After you spray the dough lightly with cooking spray , spread the filling evenly so each bite gets a touch of fruit and spice. As you roll, listen for the soft friction sound of dough layers meeting, and feel the log firm up in your hands. Cutting into 6 to 8 pieces reveals swirls that showcase the filling; a sharp knife or dental floss yields clean slices. Why this matters: even filling distribution prevents pockets of overly wet or dry dough, and slow rolling preserves spiral integrity. Common mistake: overfilling can cause the rolls to leak and become soggy in the pan.
Transfer the sliced dough onto the lined dish. If desired, brush the tops with either butter, milk, oil, or water for a golden brown exterior. Bake for 17-20 minutes, or until golden on the outside.: As the rolls begin baking you will notice a sweet, fruity steam and a caramelizing scent. Brushing the tops encourages even browning and gives a slightly glossy finish; using butter adds richness, while milk or oil can help with coloration. Visual cue: aim for a uniformly golden brown top, not overly dark. The edges may crisp slightly and the centers should feel set. Why this matters: this step locks in texture and creates that irresistible crust contrast to the soft spiral interior. Common mistake: baking too long dries them out, while underbaking leaves centers doughy.
Remove from the oven and let cool in the dish. While it is cooling, prepare the glaze by mixing the powdered sugar with 1-2 tablespoons of water, milk, or yogurt. For a thicker glaze, add more powdered sugar. For a thinner glaze, add more liquid. Drizzle over the tops of the rolls.: Cooling is essential so the filling settles and the glaze does not immediately run off. The aroma at this stage is a warm blend of cinnamon and berry, and the rolls will steam gently as they rest. Whisking powdered sugar with a spoonful of liquid creates a glossy, silky glaze; choose milk for creaminess or yogurt for tang. Pour the glaze in thin ribbons so it blankets the spirals without pooling excessively. Why this matters: proper cooling and glazing create a balanced finish that enhances texture and presentation. Common mistake: glazing while rolls are too hot can make the glaze overly runny and prevent it from setting properly.