Bean brownie with salted caramel

Ingredients

• can of canned red beans
• 1 piece room temperature egg
• 290 gram white sugar
• 50 gram cream butter
• 1 piece bar of dark chocolate
• 2 teaspoon sugar-free cocoa
• 1 teaspoon Vanilla powder
• 1 pinch Salt
• chocolate pieces (optional) 50 gram
• roasted salted peanuts (optional) 30 gram
• roasted nuts (optional) 30 gram
• water 30 milliliter
• cream of room temperature 120 milliliter
• Room temperature butter 50 gram
• Salt 1/2 Teaspoon