Marshmallow-Granola Brownies

1 box (1 lb 6.5 oz) Betty Crocker® Original Supreme brownie mix
1/3 cup water
3 tablespoons vegetable oil
3 eggs
1 1/2 cups granola, slightly crushed
2 1/2 cups miniature marshmallows

1. Heat oven to 350ºF. Grease bottom only of 15x10x1-inch pan with shortening or cooking spray.
2. In medium bowl, stir brownie mix, pouch of chocolate syrup, water, oil and eggs about 50 strokes with spoon or until well blended. (Mixture may be lumpy.) Spread evenly in pan; sprinkle granola over batter.
3. Bake about 20 minutes or until toothpick inserted 2 inches from side of pan comes out clean or almost clean.
4. Sprinkle marshmallows over granola. Bake about 5 minutes or until marshmallows are golden brown. Cool completely for easier cutting, about 1 hour. For 45 bars, cut into 9 rows by 5 rows.