Sweet Potato Brownies

Ingredients

• 1 cup Granulated sugar
• 3/4 cup All-purpose flour
• 1/2 cup Cocoa, sifted if lumpy
• 1/2 cup Whole-wheat flour
• 1 tsp. Baking powder
• 1/4 tsp. Salt
• 2 Semi-sweet chocolate baking squares
• (1 oz. each), chopped
• 2 Large eggs
• 1 cup Mashed orange-fleshed sweet potato (about 3/4 lb., uncooked)
• 1/2 cup Buttermilk (or soured milk)
• 1/4 cup Cooking oil
• 1 tsp. Vanilla extract
• 1/2 tsp. Ground cinnamon
• 2 cups Miniature marshmallows
• 1/3 cup Semi-sweet chocolate chips

Instructions

1. Combine first 6 ingredients in medium bowl.
2. Make a well in centre.
3. Microwave chocolate in small microwavesafe bowl on Medium for about 90 seconds, stirring every 30 seconds until almost melted. Stir until smooth.
4. Put next 6 ingredients into blender or food processor. Add chocolate. Process until smooth. Add to well. Stir until just combined.
5. Spread in greased 9 x 9 inch (23 x 23 cm) pan. Bake in 350°F (175°C) oven for about 35 minutes until wooden pick inserted in centre comes out moist but not wet with batter. Do not over bake.
6. Scatter marshmallows and chocolate chips over top. Broil on centre rack in oven for 1 to 2 minutes until golden. Let stand in pan on wire rack until cool

Notes