In a medium pot over medium-high heat, add the ground beef and season generously with salt. Cook stirring occasionally, until cooked through. about 7 minutes. Stir in the onions, jalapenos, oregano, cumin, tomato paste, and chili powder and cook for 2-3 minutes more. Add the tomatoes and cook, stirring occasionally for about 20 minutes. Add the carrots and potatoes and cook, stirring occasionally, until the vegetables are cooked through but still al dente. about 20 minutes.