Nutella Fudge Brownies

These two-bite brownies are fudgy and decadent with a crunchy top. You'll never believe they're made with just four ingredients.Watch Abby demonstrate this and two other four-ingredient desserts in her Holiday Cookies Video Series. And if you think Abby's four-ingredient cookies are cool, watch how she transforms four ingredients into crowd-pleasing frosty treats.

• 1/2 cup Nutella chocolate-hazelnut spread
• 1 large egg
• 5 Tbs. all-purpose flour
• 1/4 cup chopped hazelnuts

Heat the oven to 350°F. Line a 12-cup mini muffin pan with paper or foil liners.

Put the Nutella and egg in a medium bowl and whisk until smooth and well blended. Add the flour and whisk until blended.

Spoon the batter into the prepared muffin tins (about 3/4 full) and sprinkle with the chopped hazelnuts.

Bake until a pick comes out with wet, gooey crumbs, 11 to 12 minutes.Set on a rack to cool completely. Serve immediately or cover and store atroom temperature for up to 3 days.