Chicken Breasts in Green Salsa

INGREDIENTS

• 4 chicken breast fillets
• salt and pepper
• all-purpose flour, for dredging
• 2 -3 tablespoons butter (or a combination of butter and oil)
• 16 ounces salsa, green, mild (or hot)
• 1 cup chicken broth
• 1 -2 garlic clove, finely chopped
• 3 -5 tablespoons cilantro, chopped, plus extra to serve
• 1/2 green chili pepper, fresh, seeded and chopped
• 1/2 teaspoon ground cumin
• 1 cup sour cream
• Lettuce, shredded
• 3 -5 green onions, thinly sliced