Reduce heat; cover and cook for 10-15 minutes or until tender. To the crockpot, add ham, broccoli, onion, swiss cheese, water and flour/milk mixture. Serve chowder … HAM - VEGETABLE CHOWDER In a 2 quart saucepan, cook broccoli with cheese sauce, according to... pan, combine the corn and ham. Set crockpot to low and cook for 7 hours. Stir in broth, broccoli and corn. Bring to a boil. Stir in flour, salt and pepper. Before serving, stir in half-and-half and heat thru. Cook, stirring constantly, 1 minute. Cook onion and garlic in butter 2 to 3 minutes, stirring frequently, until tender. Stir in the cream.... stirring occasionally. Meanwhile, in another large saucepan, cook onion in butter over medium heat for 4 minutes. Place potatoes in a large saucepan and cover with water. In a small bowl mix together well the flour and evaporated milk.