Salted Chocolate Lace Cookies

Bahan-bahan (18 porsi)

• 4 tablespoons salted butter
• 3/4 cup almond flour
• 2/3 cup sweetened condensed milk
• 2 teaspoons vanilla extract
• 12 ounces melted dark, semi-sweet, or milk chocolate
• flaked sea salt ((optional))
• chopped pistachios/melted white chocolate ((optional, for decorating))