Frijoles Con Crema (Bean Dip)

Yield:	8 servings
Categories:

4		Firm ripe tomatoes; chopped finely
10		Sprigs fresh coriander; chopped finely
1/2		Onion; chopped finely
2		Green chillies; chopped very finely
		; (optional)
1		Lime or lemon; juice of
1/2	ts	Salt and black pepper
2	ts	Cooking oil
300	g	Frijoles Refritos; (re-fried beans)
		; (10oz)
50	g	Cheddar cheese; grated (2oz)
50	g	Cream cheese; (2oz)
1		150 millilit single cream; (5 floz)