goulash soup "mathilde"

Ingredients

• 1 pound lean beef, cut into 1/4-inch cubes
• 1 1/2 tablespoons sweet paprika
• 2 tablespoons flour
• 1/2 teaspoon salt, plus more to taste
• 1/4 teaspoon pepper, plus more to taste
• 3 tablespoons canola oil
• 1/2 - white onion, diced
• 1 - green bell pepper, diced
• 1 - red bell pepper, diced
• 1 large russet potato, diced
• 3 cloves garlic
• 2 tablespoons tomato paste
• 8 cups water, divided
• - grated zest of 1/4 lemon
• - pinch caraway seeds
• 2 sprigs parsley, chopped
• - hearty german bread, such as a pumpernickel or sunflower variety