Butterscotch Cheesecake Bars - I Ate The 80's

Ingredients

• 1 (12 oz) package butterscotch-flavored morsels
• ⅓ cup margarine or butter
• 2 cups graham cracker crumbs
• 1 cup chopped nuts
• 1 (8 oz) package cream cheese, softened
• 1 (14 oz) can Eagle Brand Sweetened Condensed Milk
• 1 tsp vanilla extract
• 1 egg