Paneer Tikka Masala

Name: Paneer Tikka Masala
Ingredients: 0.25 cup butter; 1 pound paneer, cut into 1/2-inch cubes; 2 medium onions, finely chopped; 1 medium green bell pepper, chopped; 2 medium jalapeno peppers, chopped; 1 tablespoon ground cashews; 1 teaspoon garlic paste; 1 teaspoon ginger paste; 1 teaspoon cayenne pepper; 1 teaspoon ground cumin; 1 teaspoon ground coriander; 1 teaspoon garam masala; 1 (16 ounce) can tomato sauce; 1 pint half-and-half; 1 teaspoon salt, or to taste