Ingredients:

• 1 1/2 tablespoons unsalted butter at room temperature
• 1 1/2 teaspoons kosher salt
• 1/2 teaspoon freshly ground black pepper
• 1 teaspoon paprika
• 4 teaspoons combination chopped fresh sage, rosemary, oregano, or thyme, divided
• 1 skin-on, bone-in whole or split turkey breast (4 1/2 pounds or smaller), thawed
• 1 tablespoon olive oil
• 2 medium yellow onions, cut into 1/4-inch slices
• 4 cloves garlic, peeled
• 2 cups low-sodium chicken broth
• 2 tablespoons all-purpose flour