The cooking show took 1.8m viewers, although The Block rose to 1.14m viewers for the first room reveal. MasterChef: The Professionals trailed on just 567,000 just over half the numbers of its Sunday audience.
Seven won the night with a network share of 32.2% then Nine 29.8%, ABC 19.9%, TEN 14.2% and SBS 3.9%.
In the battle between a revamped Today Tonight and A Current Affair, Nine won the first round. Seven lost in all three East Coast cities but won in Adelaide and Perth.
Following MKR for Seven was Revenge (1.3m), Seven News (1.19m), Today Tonight (1.03m), Home and Away (993,000), How I Met Your Mother (583,000) and Deal or No Deal (482,000). The Mindy Project struggled on just 169,000 and Happy Endings was 108,000.
A new Big Bang Theory (1.28m / 1.09m rpt) was best for Nine then Nine News (1.23m), The Block (1.14m), ACA (1.14m), Person of Interest (601,000 / 344,000) and Hot Seat (569,000).
ABC News (980,000) topped ABC1 then 7:30 (903,000), Australian Story (827,000), Four Corners (742,000), Media Watch (715,000), Q & A (652,000). Lateline was 312,000.
It was a tough night for TEN with TEN News (698,000) its best performer then MasterChef (567,000), The Project (527,000), The Bold & The Beautiful (416,000), The Simpsons (387,000), Can of Worms (351,000) and Hawaii Five-0 (256,000).
World News Australia (170,000) led SBS ONE followed by Man vs Wild (144,000) and Mythbusters (128,000).
Neighbours topped multichannels with 296,000 viewers.
ABC News Breakfast: 42,000 / 31,000