Fantastic cream cheese fudge brownies recipe

Ingredients

• 1 cup margarine
• 4 squares unsweetened chocolate
• 2 cups sugar
• 4 eggs
• 2 teaspoons vanilla
• 1-1/2 cups flour
• 1/2 teaspoon salt
• 1-1/2 teaspoons baking powder
• 1 cup chopped nuts, optional
• One 8-ounce package cream cheese, softened
• 1/4 cup sugar
• 1 egg
• 1 teaspoon cinnamon
• 1-1/2 teaspoons vanilla