Snack cake with Bechamel sauce

Ingredients

• 150 grams (1 1/4 cups) flour
• 0.25 teaspoon baking soda
• 1 teaspoon baking powder
• 0.5 teaspoon salt
• 0.5 teaspoon Provencal herbs
• 150 grams (5.3 ounces) buttermilk
• 1 egg
• 1 tablespoon vegetable oil
• 90 grams (6.5 tablespoons) butter
• 60 grams (1/2 cup) flour
• 400 milliliters (1 2/3 cups) milk
• salt to taste
• pepper to taste
• nutmeg to taste
• 200 grams (7 ounces) spicy carrots
• 300 grams (10.6 ounces) fried chicken breast
• green onions to taste
• dill to taste
• green olives to taste
• 250 grams (8.8 ounces) ricotta
• 90 grams (3.2 ounces) cream (33%)
• 250 grams (8.8 ounces) cream cheese
• 100 grams (3.5 ounces) butter