New York Prosciutto Squares

New York Prosciutto Squares

Be sure to keep this appetizer warm on the serving table.

20 min. prep time
25 appetizers
252 Ratings


1/2 cup chopped mushrooms
1/4 cup chopped onion
1/4 cup chopped chives
16 ounce (4 cups) slice Land O Lakes® Deli Provolone Cheese, shredded
2 ounces sliced prosciutto, finely chopped*
1/2 teaspoon white pepper


Heat oven to 350°F.  Grease and flour 8-inch square baking pan; set aside.

Melt butter in 8-inch skillet over medium-high heat until sizzling. Add mushrooms and onion; cook 2-3 minutes until liquid is absorbed. Remove from heat; cool 10 minutes.

Combine chives, cheese, prosciutto, eggs and pepper in bowl; mix well. Stir in cooked mushrooms and onion.

Spread cheese mixture into prepared pan. Bake 30-40 minutes or until toothpick inserted in center comes out clean. Let stand 5 minutes; cut into squares.

*Substitute 2 ounces finely chopped corned beef.

Nutrition Facts (1 appetizer)

Calories: 90

Fat: 7g

Cholesterol: 50mg

Sodium: 200mg

Carbohydrates: 1g

Dietary Fiber: 0g

Protein: 6g

Recipe #6156©1995Land O'Lakes, Inc.

Recipe Comments & Reviews

Can this be made ahead and frozen?
Test Kitchen Comment


Yes, this recipe can be made a frozen. You should thaw them in the refrigerator and you may want to warm them slightly before serving them..
Posted December 20, 2013
I made these for a Baby Shower and received many compliments and requests for the recipe. I accidently used 3 times the mushrooms, but they were great! I will probably do it the same next time.

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