Spinach Con Queso

4 ounces half and half

4 ounces water or chicken stock

4 ounces grated parmesan cheese

1 pound Velveeta cheese

1 10 ounce pkg. frozen chopped spinach, thawed, and water squeezed out

cayenne to taste

8 ounces sour cream

juice of 1 lemon

Mix all ingredients in stock pot and melt together over low to medium heat, stirring constantly until smooth. Serve with tortilla chips.