Preheat oven to 300 degrees F. Be sure rack is in the middle. Grease a 13x9-inch baking pan.
Reserve 1 cup of dry cake mix. Combine remaining cake mix with 1 of the eggs and the oil in a large bowl (mixture will be crumbly). Press crust mixture evenly into bottom and three-quarters up the sides of prepared pan.
In same bowl, with same beaters (no need to wash), blelnd cream cheese and sugar. Add remaining eggs and reserved cake mix; beat 1 minute at medium speed.
At low speed, slowly add milk, lemon juice and food coloring; mix until smooth. Pour into crust. Bake 45-55 minutes or until center is firm.
When cool, spread with whipped cream; chill before serving. To serve, cut into squares and garnish each squaare with a whole, unstemmed strawberry.