Black Bottom Cups

Ingredients

• 1 (8 oz.) pkg. cream cheese
• 1/8 tsp. and 1/2 tsp. salt, divided
• 1 c. and 1/3 c. sugar, divided
• 1 egg
• 1 (6 oz.) pkg. chocolate chips
• 1 1/2 c. flour
• 1/4 c. cocoa powder
• 1 tsp. baking soda
• 1 c. water
• 1/3 c. oil
• 1 Tbsp. vinegar
• 1 tsp. vanilla
• chopped nuts (optional)