Mackerel & Spinach Superfood Blend Recipe for Cats

/ Cats, Diet / By
"Overhead shot of fresh mackerel and spinach cat food blend in a bowl, with raw ingredients scattered around on a marble countertop"

Mackerel & Spinach Superfood Blend for Cats

A nutrient-dense, homemade cat food recipe packed with omega-3s and essential vitamins.

KEY INFO
  • Prep Time: 10 minutes
  • Cook Time: 15 minutes
  • Total Time: 25 minutes
  • Servings: 4-6 cat portions
  • Calories: 120 per 1/4 cup serving
  • Protein: 15g per serving
  • Fat: 8g per serving
  • Difficulty: Easy
  • Dietary Tags: Grain-free, High-protein
EQUIPMENT NEEDED
  • Medium saucepan
  • Cutting board
  • Sharp knife
  • Blender or food processor
  • Measuring cups and spoons

Alternative tools:

  • Fork (instead of blender for chunky texture)
  • Regular spoon (instead of measuring spoons)

Fresh mackerel fillets on a wooden cutting board in a sunlit professional kitchen with tweezers nearby

INGREDIENTS
Main Components:
  • 450g/1lb fresh mackerel, deboned and skin removed
  • 60g/2 cups fresh spinach, washed and chopped
  • 120g/½ cup cooked sweet potato, mashed
  • 120ml/½ cup bone broth
Supplements:
  • ½ teaspoon finely ground eggshell powder
  • 250mg taurine supplement
Optional:
  • 1 tablespoon fresh parsley, finely chopped
METHOD
  1. Remove all bones from mackerel using tweezers or fingers (check twice for safety).
  2. Heat saucepan over medium heat (180°C/350°F).
  3. Cook mackerel for 5-7 minutes until flesh turns opaque and flakes easily.
  4. Add chopped spinach, cook for 2-3 minutes until just wilted.

    5. Steaming mackerel fillets and spinach in a stainless steel saucepan on a modern stovetop under soft lighting

  5. Transfer mixture to blender, add sweet potato and bone broth.
  6. Blend until smooth, ensuring no chunks remain.

    7. High-end blender blending flaked mackerel, wilted spinach, and orange sweet potato with bone broth on a marble countertop

  7. Stir in eggshell powder and taurine supplement.

    8. Close-up image of white eggshell powder and taurine supplement measured with precise measuring spoons on a white surface

  8. Let cool to room temperature before serving.
CRUCIAL TIPS
  • Never skip the taurine supplement – it’s essential for cat health.
  • Double-check for fish bones – they’re dangerous for cats.
  • Don’t overcook the spinach – it reduces nutrient content.
  • Always introduce new foods gradually to prevent digestive issues.
STORAGE
  • Refrigerate for up to 3 days in an airtight container.
  • Freeze individual portions for up to 2 months.
  • Thaw overnight in the refrigerator before serving.
SCALING
  • Recipe doubles easily.
  • Freeze extra portions in ice cube trays for convenient serving.

Finished cat food portioned into glass containers and ice cube trays under kitchen lighting

COMMON MISTAKES TO AVOID
  • Using raw fish (must be fully cooked).
  • Forgetting to remove all bones.
  • Adding salt or seasonings.
  • Serving portions too large.
VARIATIONS
  • Substitute salmon for mackerel.
  • Use pumpkin instead of sweet potato.
  • Add a tablespoon of pureed liver for extra nutrients.
SERVING SIZE
  • Cats 4-6kg (8-13lbs): ¼ cup per meal
  • Cats 6-8kg (13-17lbs): ⅓ cup per meal
  • Feed twice daily

Remember: This recipe should complement, not replace, commercial cat food unless advised by your veterinarian.

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