Cheddar, pepper and potato bake

Ingredients

• 284-mL can undiluted cream of mushroom soup , or cream of potato
• 1 cup sour cream
• 1/2 cup butter , melted
• 1 tbsp paprika
• 1/2 tsp salt
• 1/2 tsp pepper
• 1-kg bag frozen country-style hash browns
• 1 red bell pepper , coarsely chopped
• 1 green bell pepper , coarsely chopped
• 1 large onion , or 1 cup frozen chopped onion
• 1 jalapeno , seeded and finely chopped (optional)
• 1 cup chopped ham , optional
• 2 cups grated cheddar