Collards w/Sausage + Apples

Name: Collards w/Sausage + Apples
Ingredients: 4 oz (115 g) sausage; 2 tart apples (1 lb | 455 g), cut into half-moons; 1 cup (240 ml) beer or white wine; 2 bunches collards (1 lb | 8 cups | 455 g) or any other hearty greens, midribs stripped out, cut into ribbons; 1 onion (4 oz | ½ cup | 115 g), cut into thin slices; Salt

Preparation info