Miscellaneous with shells

2 cups chopped pumpkin , 2cm cubes 500 g cherry tomatoes , halved 1 red capsicum 1 red onion 300 g shell pasta 1 cup snow peas , Halved 1 large carrot ,[...]

8-ounces medium bow-tie or shell pasta uncooked 2 tablespoons olive oil 3/4 to 1 pound beef for stir fry, cut into strips 2 to 3 inches long 4 cloves garlic ,[...]