Easy Beef Fajita Meal Prep with Sweet Potatoes or Rice

Easy Beef Fajita Meal Prep with Sweet Potatoes or Rice is a easy Tex-Mex (American fusion) recipe that serves 5. 420 calories per serving.

Prep: 30 min | Cook: 30 min | Total: 1 hr 15 min

Cost: $27.50 total, $5.50 per serving

Ingredients

  • 1 kg Beef strips (About 200g per meal; cut into small cubes)
  • 10 Mini bell peppers (Or use 2 large bell peppers; any color)
  • 1 large White onion (Red or purple onion also works)
  • 1 kg Sweet potatoes (About 200g per meal; cut into 1-inch cubes)
  • 2 tbsp Olive oil (For spraying or drizzling)
  • 1 tsp Garlic powder (For sweet potatoes)
  • 1 tsp Paprika (For sweet potatoes)
  • 2 tbsp Fajita seasoning (Texas brand recommended; divided use)
  • 1 tsp Salt (To taste)
  • 2 cloves Fresh garlic (Crushed, for sautéing with veggies)
  • 1/2 bunch Cilantro (Optional, for garnish)
  • 2 cups Cooked white rice (Optional, for 2 servings instead of sweet potato)

Instructions

  1. Sharpen Knife and Prep Work Area

    Sharpen your chef's knife for safety. Set up your cutting board and have bowls ready for prepping ingredients.

    Time: PT3M

  2. Cube the Beef

    Cut 1 kg of beef strips into small, even cubes. This helps the meat cook faster and stay juicy.

    Time: PT7M

  3. Clean Cutting Board

    Wash your cutting board and knife thoroughly with hot, soapy water after cutting raw beef to avoid cross-contamination.

    Time: PT2M

  4. Prep Bell Peppers

    Remove seeds from mini bell peppers (or 2 large bell peppers) by smacking or tapping them, then slice into thin, even strips.

    Time: PT5M

  5. Prep Onion

    Cut both ends off a large white onion, peel, halve, and slice into strips about the same thickness as the peppers.

    Time: PT4M

  6. Mix Peppers and Onion

    Combine sliced peppers and onions in a bowl and mix well.

    Time: PT1M

  7. Prep Sweet Potatoes

    Wash 1 kg sweet potatoes, peel if desired, and cut into 1-inch cubes.

    Time: PT6M

  8. Season and Cook Sweet Potatoes (Air Fryer or Oven)

    Toss sweet potato cubes with 1 tbsp olive oil, 1 tsp garlic powder, 1 tsp paprika, and a pinch of salt. Air fry at 400°F (205°C) for 20 minutes, shaking halfway. Alternatively, bake in oven at 400°F (205°C) for 25-30 minutes, stirring once.

    Time: PT20M

    Temperature: 205°C

  9. Alternative: Steam or Boil Sweet Potatoes

    If you don't have an air fryer or oven, steam sweet potatoes in a rice cooker or boil in a pot until fork-tender (about 15-20 minutes).

    Time: PT20M

  10. Brown the Beef

    Heat a skillet over medium heat. Add a spray or drizzle of oil. Add beef cubes and brown for 5-6 minutes, stirring occasionally.

    Time: PT6M

  11. Season the Beef

    Once browned, sprinkle 1 tbsp fajita seasoning over beef and toss to coat. Remove beef from pan and set aside.

    Time: PT1M

  12. Sauté Peppers, Onion, and Garlic

    In the same pan, add peppers, onions, and 2 crushed garlic cloves. Add another 1 tbsp fajita seasoning and a pinch of salt. Sauté over medium heat for 6-8 minutes until veggies are softened but still have some crunch.

    Time: PT8M

  13. Combine Beef and Veggies

    Return beef to pan with veggies. Toss everything together and cook for 1-2 minutes to combine flavors.

    Time: PT2M

  14. Portion and Garnish

    Divide sweet potatoes (or rice) and beef fajita mixture among 5 meal prep containers. Garnish with chopped cilantro if desired.

    Time: PT5M

  15. Cleanup

    Wash all used utensils, cutting boards, bowls, pans, and wipe down surfaces. Sanitize areas that touched raw meat.

    Time: PT15M

Nutrition Facts

Calories
420
Protein
32g
Carbohydrates
38g
Fat
15g
Fiber
6g

Dietary info: Gluten-free (if using GF fajita seasoning), Dairy-free, Nut-free, high-protein, high-fiber

Allergens: None (unless fajita seasoning contains allergens such as gluten or dairy)

Last updated: March 13, 2026

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Easy Beef Fajita Meal Prep with Sweet Potatoes or Rice

A flexible, meal-prep-friendly beef fajita recipe featuring tender beef, colorful bell peppers, onions, and your choice of sweet potatoes or white rice. This recipe is designed for convenience and flavor, with multiple cooking options for the sweet potatoes and tips for using what you have at home.

EasyTex-Mex (American fusion)Serves 5

Shop all ingredients on Amazon in one click • Printable PDF with shopping checklist

Source Video
48m
Prep
57m
Cook
13m
Cleanup
1h 58m
Total

Cost Breakdown

$27.50
Total cost
$5.50
Per serving

Critical Success Points

  • Cutting and handling raw beef safely
  • Cleaning cutting board and knife after raw meat
  • Browning beef before seasoning
  • Properly seasoning and not overcooking beef

Safety Warnings

  • Always wash hands, utensils, and surfaces after handling raw beef.
  • Use caution when slicing with sharp knives.
  • Do not leave cooked food at room temperature for extended periods.

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