Spanish Almond Chicken with Saffron-Wine Sauce

Name: Spanish Almond Chicken with Saffron-Wine Sauce
Cuisine: European, Spanish, Mediterranean
Ingredients: ¼ cup plus 2 Tbsp. extra-virgin olive oil, divided; 1 tsp. smoked Spanish paprika (pimentón); 3 lb. bone-in , skin-on chicken thighs, patted dry; Kosher salt and freshly ground black pepper; 2 medium yellow onions, finely chopped; 4 garlic cloves, finely chopped, divided; 2 tsp. all-purpose flour; 1 cup dry white wine; 2 cups chicken stock; ¼ tsp. dried oregano; Small pinch saffron threads, crumbled; 10 oz. roasted salted marcona almonds (about 2 cups), finely ground, plus more, coarsely chopped, for garnish; 1 Tbsp. sherry vinegar; Parsley leaves, for garnish