Step 1

Heat oil in large skillet on medium-high heat.

Step 2

Add onions; cook 5 min. or until softened, stirring frequently.

Step 3

Remove from heat.

Step 4

Add cream cheese product and milk; stir until cream cheese is completely melted and mixture is well blended.

Step 5

Combine pierogies, ham and peas in 2-L casserole dish sprayed with cooking spray; toss lightly with cream cheese sauce and top with shredded cheese.

Step 6

Bake 30 min. or until heated through.