Ingredients
Cake:
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1 cup all-purpose flour
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¾ teaspoon ground cinnamon
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½ teaspoon baking soda
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¼ teaspoon salt
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¾ cup brown sugar
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¼ cup unsalted butter, softened
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1 large egg
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¼ cup sour cream
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¼ cup vanilla yogurt
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1 teaspoon vanilla extract
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2 cups diced Granny Smith apple
Topping:
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¼ cup brown sugar
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¼ cup all-purpose flour
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2 tablespoons unsalted butter, cut into small pieces
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½ teaspoon ground cinnamon
Directions
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Preheat the oven to 350 degrees F (175 degrees C). Grease and generously flour an 8-inch square baking dish.
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To make the cake: Stir flour, cinnamon, baking soda, and salt together in a bowl.
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Beat brown sugar and butter with an electric mixer in a large bowl until light, fluffy, and noticeably lighter in color. Mix in egg, then mix in sour cream, yogurt, and vanilla until well incorporated. Gradually mix in flour mixture, then fold in apples. Pour batter into the prepared baking dish.
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To make the topping: Mix brown sugar, flour, butter, and cinnamon together in a bowl with a fork until crumbly. Sprinkle over batter.
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Bake in the preheated oven until a toothpick inserted into the center comes out clean, 35 to 40 minutes. Remove from the oven and cool on a wire rack.
![a square of Apple Coffee Cake with a streusel topping on a white plate with three apples on the side]()
Cook’s Note
If you don't have vanilla yogurt, add 1/4 cup more sour cream or Greek yogurt to the recipe with a dash more vanilla.
Nutrition Facts (per serving)
| 275 | Calories |
| 11g | Fat |
| 41g | Carbs |
| 4g | Protein |
| Nutrition Facts | |
|---|---|
| Servings Per Recipe 8 | |
| Calories 275 | |
| % Daily Value * | |
| Total Fat 11g | 14% |
| Saturated Fat 7g | 34% |
| Cholesterol 47mg | 16% |
| Sodium 236mg | 10% |
| Total Carbohydrate 41g | 15% |
| Dietary Fiber 1g | 5% |
| Total Sugars 24g | |
| Protein 4g | 7% |
| Vitamin C 2mg | 2% |
| Calcium 52mg | 4% |
| Iron 1mg | 7% |
| Potassium 123mg | 3% |
* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
** Nutrient information is not available for all ingredients. Amount is based on available nutrient data.
(-) Information is not currently available for this nutrient. If you are following a medically restrictive diet, please consult your doctor or registered dietitian before preparing this recipe for personal consumption.
