Chocolate Almond Croissants

Name: Chocolate Almond Croissants
Prep time: 25 min
Cook time: 25 min
Total time: 50 min
Cuisine: European, Mediterranean, French
Ingredients: 4 day old croissants; 2 oz of dark chocolate (4 squares); ¼ cup sugar; ¼ cup water; ¼ teaspoon almond extract; 1 tablespoon orange blossom water (carlo, not extract); 1 stick salted butter (113 grams); 1/2 cup granulated sugar (100 grams); 100 grams almond flour (1 cup); 1 egg; ¼ teaspoon salt; ½ teaspoon almond extract; 1 tablespoon vanilla bean paste; 2 T whole milk or heavy cream; ⅓ cup slivered almonds; Powdered sugar