Step 1

Heat oven to 450ºF.

Step 2

Preheat broiler. Mix 2 cups KRAFT Shredded Sharp Cheddar Cheese, 1/2 cup KRAFT Real Mayo, 1/2 cup OSCAR MAYER Real Bacon Bits and 3 Tbsp. finely chopped onion or green onion until well blended.

Step 3

Make well in center of flour mixture. Mix sour cream and milk. Add to flour mixture; stir with fork just until moistened.

Step 4

Spoon onto parchment-covered baking sheet; pat to 10-inch circle. Cut into 10 wedges. Gently separate wedges; brush with egg. Sprinkle with combined Parmesan and chives.

Step 5

Bake 10 to 12 min. or until golden brown. Serve warm.