Raspberry Streusel Muffins

• annokset: 6 servings
• kokonaisaika: 45 minutes

Ainekset

5 tablespoons (70 grams) unsalted butter, melted

1/2 teaspoon plus one pinch kosher salt

Slightly heaped 1/2 cup (105 grams) granulated sugar

1 2/3 cups (220 grams) all-purpose flour, divided

Half a medium lemon

1 large egg

2/3 cup (150 grams) plain unsweetened yogurt

1 1/2 teaspoons baking powder

1/4 teaspoon baking soda

8 ounces (225 grams) fresh or (ideally) frozen raspberries (1 2/3 to 1 3/4 cups; see Note)