1 cup TACO BELL® Thick & Chunky Salsa, divided
1 pkg. (1-1/4 oz.) TACO BELL® Taco Seasoning Mix
1 cup chopped tomatoes, divided
1-1/2 cups KRAFT Mexican Style Shredded Cheese, divided
1/2 cup BREAKSTONE'S or KNUDSEN Sour Cream
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